| ---Look! It ________be Mrs. Smith. ---It _________be her. She has just gone to Shanghai. |
| A. can; mustn’t B. must; can’t . must; mustn’t D. can’t; must |
—— Who made a phone call to you just now, David?
—— I don’t know, but it was a girl’s .
| A．sound | B．voice | C．answer | D．number |
He asked the man outside ________.
A. what is he doing.
B. for whom he was looking
C. how long he has been waiting
Changsha is _______ than any other city in Hunan Province.
A. the busiest B. much busier C. busy
— _______ is the plane taking off?
—In twenty minutes.
A. How far B. How longC. How soon
—May I try this skirt?
— Yes, you _____.
A. can B. should C. May