We are not sure if it _____ tomorrow . If it _____, we won’t go hiking .
| A．rains ; rains | B．will rain; will rain |
| C．will rain ; rains | D．rains ; will rain |
I wonder when they ___ for Beijing. I will go to the train station to see them off when they ___.
| A．leave, will leave | B．will leave, leave |
| C．will go, leave | D．go, leave |
We’ll go to the park if it ___________ tomorrow.
| A．won’t rain | B．don’t rain |
| C．doesn’t rain | D．rain |
—Mary, could you tell me if your mother ________ our school sports meeting tomorrow?
—I think she will come to school if she is free.
A. take part in
B. takes part in
C. will take part in
Take a map with you while traveling ________ you have a guide or know the city well．
| A．since | B．if | C．unless | D．because |
If you are weak ____ a subject, ______your teacher for advice can help.
| A．to, asking | B．in, ask |
| C．to, to ask | D．in, asking |
Jim was listening to music _______his sister was playing with a toy.
| A．until | B．while | C．because | D．after |
— Would you like to climb the hill with us tomorrow?
— If it ___________ ,I ___________ ．
| A．doesn’t rain； go | B．won’t rain； go |
| C．don’t rain； will go | D．doesn’t rain； will go |
_______ the street, don't forget to watch the traffic lights.
| A．While crossing | B．While crossed |
| C．While being crossing | D．While be crossed |
The Greens will visit Yueyang if they _____ to China.
A. comes B. come C. will come
If Jim ______ free tomorrow, I will ask Tom to go instead.
| A．doesn’t be | B．isn’t |
| C．won’t | D．won’t be |
— The air pollution is terrible.
— It will be worse ________ we take action to protect the environment.
| A．if | B．unless | C．until | D．when |
—I don’t know _______he will come tomorrow. _______he comes, I’ll tell you.
—That’s a deal!
| A．if, Whether | B．whether, Whether |
| C．if, That | D．if, If |
You good grades if you hard.
| A．won’t get; won’t study |
| B．won’t get; don’t study |
| C．don’t get; don’t study |
| D．don’t get; won’t study |
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