It’s necessary for you _____ exercise every day.
| A．taking | B．to take |
| C．take | D．takes |
He _______ take exercise, but now he loves to play basketball.
A. didn’t use to
B. not used to
C. didn’t used to
It’s impolite ________ loudly in public places.
A. to speak B. speaking C. to speaking
—_______ is the hot water used for?
— It is used to wash clothes.
A.Who B. What C. Where
—Do you know the boy _______ is talking to Mr. Smith?
—Yes, he's my brother.
A. whatB. whichC. Who
Every student is supposed _______ the school uniform on weekdays.
A. wearB. wearingC. to wear