xin giúp tui bài IV bài đó chỉ chọn từ cần điền trong ngoac thui
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B1:
a) x+2/3=4/5 b) 7/9-x=1/3
x =4/5-2/3 x=7/9-1/3
x =.... x=...
c) x:2/3=9/8
x =9/8.2/3
x =...
I
1. look
2. is looking
3. tastes
4. doesn't own
5. am wearing
6. seems
7. are doing
8. thinks
9. is coming
10. isn't talking
II.
1. was/worked
2. played
3. were/doing
4. went
5. was driving
6. Did/go
7. wasn't calling
8. was still sleeping
9. rang/was taking
10. was reading/was listening/was doing
11. crossed/saw
12. was having/arrived
1.more
2.the best
3.c
4.c
5.a
6.b
7.a
8.on
9.d
10.c
11.b
12.c
13.d
14.b
15.any
16.c
17.a
18.from
19.d
20.on
21.d
22.What time
Bài 7:
a: \(=2006\cdot\left(430-430\right)+100=100\)
b: \(=54\left(7+9-5-1\right)=54\cdot10=540\)
1..at
2..orange juice please
3..when
4...rides
5..for two days
6..are wearing
7..at
8..excited
9..skipping
10..have
1.for
2.orange juice
3.when
4. rides
5.by bus
6. wear
7.at
8.excited
9.skipping
10.go