– ________ you work hard, you won’t make progress in your study.
– I will, Miss Li.
A. If B. Unless C. Though
you become a professional soccer player, you will have a happy life.
A. If B. Unless C. Until
Mr Smith usually reads a newspaper he’s waiting for the bus.
| A．if | B．the | C．because | D．while |
If you _______ , I will _______ myself.
| A．don’t come; mop up it | B．don’t come; mop it up |
| C．won’t come; mop up it | D．won’t come; mop it up |
—Do you know when ____? I miss him very much.
—Don’t worry. I will tell you as soon as ____.
| A．will he come; he comes |
| B．he will come; he comes |
| C．he comes; he will come |
| D．he will come; he will come |
—How’s the weather tomorrow?
—I don’t know if it ____ tomorrow.
—Well, if it ____, I won’t go out with you.
| A．will rain; will rain | B．rains; rains |
| C．rains; will rain | D．will rain; rains |
We are not sure if it tomorrow. If it , our sports meeting will be put off.
| A．rains; rains | B．rains; will rain |
| C．will rain; will rain | D．will rain; rains |
I’ll go there if it tomorrow.
A.not rain B.not rains C.doesn’t rain
If there _____no buying and selling of a nimals, there___ no killing in nature.
| A．is ; is | B．will be ; will be |
| C．is ; will be | D．will be ; is |
If it ________ tomorrow, we will go to the zoo.
A. isn’t rain
B. doesn’t rain
C. won’t rain
There’s no doubt _______ Emily will be the hostess (女主持) of the New Year’s party.
| A．if | B．when | C． what | D．That |
----May I go swimming this afternoon?
----I'm afraid not _______ you have finished your homework.
| A．unless | B．because | C．if | D．though |
If we don’t save energy, it _____ some day.
| A．will be run out | B．has been run out |
| C．will run out | D．has run out |
David, get up early, _______ you'll not catch the early bus.
| A．but | B．and | C．after | D．Or |
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