Bill won’t make any progress ______ he studies harder than before .
| A．if | B．when | C．because | D．unless |
— Mom, I want some pocket money.
— Well, I won’t give it to you you wash your clothes.
| A．if | B．unless |
| C．while | D．though |
— Our daughter passed the test yesterday.
— So she did. She for it really hard.
| A．had studied | B．will study |
| C．has studied | D．is studying |
Yesterday, I visited a middle school in Taiyuan. There are about students in it.
| A．two thousand | B．two thousands |
| C．two thousands of | D．two thousand of |
This hat is too old. Why not buying a new one?
| A．continue | B．suggest |
| C．practice | D．consider |
I’ll tell you I experienced when I was in Africa.
| A．all which | B．where |
| C．all that | D．which |