Alice was playing in the park while I __________my homework at home.
| A．do | B．did | C．am doing | D．was doing |
.Many people didn’t realize the importance of health _______they have fallen ill.
| A．until | B．while | C．when | D．after |
No matter____, you must keep the school rules.
| A．where are you | B．what do you do |
| C．who are you | D．who you are |
Rick has learned a lot about Chinese culture he came to China.
| A．before | B．when | C．until | D．since |
Tom went to schoolhe had a bad cough.
| A．and | B．because | C．though | D．so |
We’ll stay at home and watch TV if it______ tomorrow.
| A．won’t be fine | B．doesn’t fine |
| C．isn’t fine | D．won’t fine |
We’ll stay at home and watch TV if it______ tomorrow.
| A．won’t be fine | B．doesn’t fine |
| C．isn’t fine | D．won’t fine |
I won’t play with him if he ______ tomorrow.
| A．go climbing | B．will go climbing |
| C．goes climbing | D．went climbing |
If it ________ tomorrow, we will go to the zoo.
A. isn’t rain B. doesn’t rain C. won’t rain
I don’t know if he ______ me. If he ______ me, I won’t go to the party.
| A．will invite; doesn’t invite |
| B．will invite; didn’t invite |
| C．would invite; ddidn’t invite |
| D．invites; will invite |
We're not sure if it _______ tomorrow. If it _______, we won't go hiking.
| A．will rain; rains | B．will rain; will rain |
| C．rains; rains | D．rains; will rain |
We're not sure if it _______ tomorrow. If it _______, we won't go hiking.
| A．will rain; rains | B．will rain; will rain |
| C．rains; rains | D．rains; will rain |
Your computer will go wrong if you _____ games too often on it.
| A．play | B．plays | C．playing | D．will play |
You should be punished if youto your teacher.
| A．will talk back | B．talk back |
| C．will talk to | D．talk to |
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