He __________computer games when his parents left home. So he didn’t know where they were.
| A．is playing | B．plays |
| C．played | D．was playing |
—Well, you are driving too fast! Didn’t you see the sign_______ over there?
—Oh, sorry. I didn’t see it.
A． |
B． |
C． |
D． |
— Could you tell me __________________?— Next Sunday.
| A．when they would go there | B．where they will do |
| C．when they will come here | D．who they would meet |
— What kind of movies do you like?
— I like the movies ____ are about Chinese history.
| A．who | B．whom | C．whose | D．that |
We should never ____till tomorrow what we can do today.
| A．put on | B．put off | C．give up | D．give back |
David doesn’t give up _______ he has failed in the experiment four times.
| A．if | B．while | C．though | D．since |