—Is Mr. Green in the office?
—No, he ________ be in the office. Look, the light in the office is off.
| A．mustn’t | B．can’t | C．needn’t | D．may not |
--I wonder ________
--With Lucy’s help.
A. that you did it so well
B. if did you do it so well
C. how you did it so well
The traffic signs warn people____ after drinking.
A. to drive B. not to drive C. driving
I really need to take more exercise because I'm ______ weight.
A. putting off B. putting on C. putting away
—I am afraid to ask questions because of my poor ______.
—You’d better practice speaking more.
A. introduction B. pronunciation C. information
--________beautiful the day is! Let's go boating in the park.
--Good idea!
A. How B. What C. What a