15. They didn't answer two difficult questions yesterday. →Two difficult questions_____________. 16. Edison invented the electronic light bulbs. → The electronic light bulbs___________. 17. His brother didn't tell you the truth. → The truth_____________. 18. Mr. Pike designed this bridge in 1954. --->This bridge______________. 19. Our relatives painted the fences of our house last week. → The fences of ________________. 20. A tornado damaged a lot of villages in the north of Indonesia yesterday evening. →A lot of villages__________________. 21. We have finished all the assignments already. →All the assignments______________. →This bridge_
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15. Lam (not do) ______hasnt done_________ his homework yet.
16. Low energy light bulbs (use)______wont be use _____ in the future.
17. Two years ago, he (teach) _____taugh_____ at a village school.
18. Ngan (sometimes, have) ______sometimes has_________ many fascinating ideas
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. Thomas Edison is an ……………………….who invented the light bulbs.
A. invention B. invented C. inventor D. inventer
. If there …………………no water and air, there would be no life on earth.
A. is B. are C. will be D. were
.America has celebrated Thanks giving Day on the fourth Thursday of November …1864
A. ago B. since C. last D. in
. We’ve decided ……………..a trip to Ho Chi Minh City for some days.
A. have B. had C. having. D. to have
.I intended……………. to New York next month.
A. flew B . to fly C. fly D. flying
. She said she ………. to the Moon when she had enough money.
A. travel B. to travel C. would travel D. travelling
The sight of too many advertising billboards, overhead poles and shop signs causes........... pollution
A. air B. light C. noise D. visual
.Lien told me that……………. a biology teacher.
A. she wants to become B. she wanted to become
C. she wanted becoming D. she wants becoming
. The teacher ………..….. me that I had better devote more time to science subjects such as physics, chemistry and biology.
A. told B. said C. spoke D. tell
. At 10 a.m tomorrow, she will be in. She ............. with her colleagues in Viet Nam
A. video conferenced B. video conference
C. will be video conferencing D. will video conferencing
. Tom: I couldn’t call you either. My battery was flat
.A Oh, no B. That’s awful ! C. Never mind D. Great!
. We need ……………..him more often.
.A call B. to call C. calling D. called
. Do you know that the telephone, the television, and penicillin are Scottish ………?
.A. invent B. inventors C. inventions D. invented
.. Both french and English are official ……… in Canada
A. languages B. language C. states D. cities
15 questions weren't answered yesterday.
16 were invented by Edison.
17 wasn't told to you by his brother.
18 was designed by Mr. Pike in 1954.
19 our house were painted by our relatives last week.
20 in the north of Indonesia were damaged by a tornado yesterday evening.
21 have already been finished.