1. I've played the piano ........
A.two year ago. B.since 1995. C.before 1996. D.tomorrow
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1) My brother has been doing his homework since 8 o'clock.
--> My brother ....started doing his homework at 8 o'clock........................
2) He started working for this factory a year ago.
-->He has ..........worked for this factory for a year ...............................
3)Tom began playing the piano 4 years ago.
-->Tom has ........played the piano for years........................
4)My sister began to study English a year ago.
-->My sister ......has studied E for a year..............................
5)My father is reading a newspaper . He started 2 hours ago.
-->My father has ......read a newspaper for 2 hours...............................
6)She has been working as a secretary for 4 year.
-->She ...........started working as a secretary 4 year ago....................................
7)I started working in this hotel six months ago.
-->........I has worked in this hotel for six months..............................................
8)He started working as a teacher five years ago.
-->............He has worked as a teacher for five years ..................................
1. He hasn't called us yet
2. I've had this car for a year.
3. He has already left.
41. It’s a long time since we last went to the cinema.
A. We have been to the cinema for a long time.
B. We haven’t been to the cinema for a long time.
C. We don’t go to the cinema as we used to.
D. We wish we went to the cinema now.
42. The last time I saw Rose was three years ago.
A. I didn’t see Rose for three years.
B. I haven’t seen Rose three years ago.
C. I haven’t seen Rose since three years.
D. I haven’t seen Rose for three years.
43. I haven't visited the museum for three months.
A. It is three months since I have visited the museum.
B. I didn't visit the museum three months ago.
C. The last time I had visited the museum was three months ago.
D. It is three months since I visited the museum.
44. "John began playing the piano 10 years ago"
A.John played the piano 10 years ago.
B.John used to play the piano 10 years ago.
C. John has played the piano for 10 years.
D. John doesn't play the piano anymore
45. The last time I saw her was a week ago. .
A.I haven't seen her for a week.
B.I have seen her for a week.
C. I haven't seen her since a week.
D. I have seen her since a week.
41. It’s a long time since we last went to the cinema.
A. We have been to the cinema for a long time.
B. We haven’t been to the cinema for a long time.
C. We don’t go to the cinema as we used to.
D. We wish we went to the cinema now.
42. The last time I saw Rose was three years ago.
A. I didn’t see Rose for three years.
B. I haven’t seen Rose three years ago.
C. I haven’t seen Rose since three years.
D. I haven’t seen Rose for three years.
43. I haven't visited the museum for three months.
A. It is three months since I have visited the museum.
B. I didn't visit the museum three months ago.
C. The last time I had visited the museum was three months ago.
D. It is three months since I visited the museum.
44. "John began playing the piano 10 years ago"
A.John played the piano 10 years ago. C. John has played the piano for 10 years.
B.John used to play the piano 10 years ago. D. John doesn't play the piano anymore
45. The last time I saw her was a week ago. .
A.I haven't seen her for a week. C. I haven't seen her since a week.
B.I have seen her for a week. D. I have seen her since a week.
a) \(\dfrac{1997x1996-1}{1995x1997+1996}=\dfrac{1997x\left(1995+1\right)-1}{1995x1997+1996}\)
\(=\dfrac{1997x1995+1997-1}{1995x1997+1996}=\dfrac{1997x1995+1996}{1995x1997+1996}=1\)
b) \(\dfrac{1997x1996-995}{1995x1997+1002}=\dfrac{1997x\left(1995+1\right)-995}{1995x1997+1002}\)
\(=\dfrac{1997x1995+1997-995}{1995x1997+1002}=\dfrac{1997x1995+1002}{1995x1997+1002}=1\)
I __played____ the piano while my father played the guitar and my mother played the violin.
1. I've played the piano ........
A.two year ago. B.since 1995. C.before 1996. D.tomorrow
học tốt
1. I've played the piano ....
Đáp án : B. since 1995
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