While the boy ______ down the street, the UFO _____ .
| A．was walking; was landing |
| B．walked; landed |
| C．was walking; landed |
| D．walked; was landing |
This maths problem is so difficult that only _____students can work it out.
A a few B few C a little D little
Hurry up , ________you will be late for the meeting.
| A．and | B．or | C．so | D．but |
My parents usually goes for ________ walk in ________ evening.
| A．the, a | B．a, the | C．/ ,the | D．a , an |
Please come in and make ________at home ,boys.
| A．you | B．yourself | C．yourselves | D．yours |
－Could you please help me take the exercise books to your classroom?
－_______.
| A．No problem. | B．I hope so. |
| C．That’s all right. | D．That’s a good idea. |