— does it take you to go to work on foot?
— About half an hour.
A. How far B. How long C. How much
Her mother is very strict her.
A. on B. in C. with
They arrived Shanghai Sunday afternoon.
A. in; in B. at; in C. in; on
You’d better keep the classroom _____.
A. cleaning B. cleaned C. clean
— Can you tell me ________ the library is?
— Go along this road. You can find it ________．
| A．what; easy | B．where; easily |
| C．where; easy | D．how; easily |