— Must I give up _____, Doctor? — For your health, you have to.
A. smoke
B. smoking
C. smokes
D. to smoke
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— Tan Jing’s _____ is so sweet. — Yes. Her songs ____ very beautiful.
A. sound; taste
B. voice; smell
C. voice; sound
D. noise; sound
This is ____difficult problem that few students can work it out.
A. so
B. so a
C. such
D. such a
— Wow! How cool your cup is! — Really? I ____ it when it was on sale yesterday.
A. buy
B. will buy
C. bought
D. am buying
__ carefully,Michael!There's a school ahead.
A. Drive
B. To drive
C. Drove
Driving