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Sử dụng các dung dịch kiềm, với lượng dư. Ví dụ NaOH, C a ( O H ) 2 ,…
CO không tác dụng với dung dịch kiềm.
1. I have designed the kitchen so that my son can’t reach everything.
A. repaired
B. prepared
C. planned
D. altered
2. What led you to leave your job and make this trip?
A. told
B. caused
C. put
D. brought
3. In the end we had so little time together that our marriage was breaking up.
A. forgotten
B. shorten
C. coming to an end
D. boring
4. The yacht had set out for France despite the warning.
A. left
B. rushed
C. aimed
D. cruised
5. She’s just bought a pair of silk tights.
A. pantyhose
B. gloves
C. socks
D. soc
6. They never expected that …………….. find the bicycle.
A. they are going to
B. they are will
C. they would
D. they shal
7. The car was easy to recognize, ……….. it wasn’t difficult for the police to catch the thieves.
A. because
B. that
C. so
D. but
8. By the end of next year, they ………….. the new stadium.
A. will finish
B. finish
C. will have finished
D. they are finishing
9. The news of the President’s death astonished the world.
A. alerted
B. astounded
C. heard
D. announced
10. A multitude of people attended.
A. small number
B. select group
C. huge crowd
D. large
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Câu đầu.