—Do you think if Tom the work well?
—I think he will if he his best.
| A．does, will try | B．will do, tries |
| C．does, tries | D．will do, will try |
I don’t know when my father _____ back, but I’ll let you know when he ___back.
| A．comes, comes |
| B．will come, will come |
| C．comes, will come |
| D．will come, comes |
I don’t know when he _________ tomorrow. If he _________, I’ll let you know.
| A．comes, comes | B．will come, comes |
| C．comes, will come | D．came, will come |
Some people don’t known the value of their health they lost it.
| A．after | B．when | C．until | D．as |
—Excuse me, could you please tell me if the sports meeting ________ on time?
—Hard to say. If it ________ tomorrow, we’ll have to put it off.
| A．will hold; rains | B．will be held; rains |
| C．will be held; will rain | D．holds; will rain |
If we ______ take environmental problems seriously, the earth _______ worse and worse.
| A．don’t; will be | B．won’t; isn’t |
| C．won’t; is | D．don’t; won’t be |
While Helen _____ along the river after supper, she ____ a wallet lying on the roadside.
A. was walking; was finding B. walked; found
B. walked; was finding D. was walking; found
We _________ for a picnic if it _________ rain this Sunday.
| A．go, doesn’t | B．will go, won’t |
| C．will go, doesn’t | D．go, won’t |
Did the police officer tell you________?
| A．when will be here | B．when will he be here |
| C．when he would be here | D．when would he be here |
-– Do you feel tired?
--- No, I don’t. If I were tired, I ______a rest.
| A．had | B．would have |
| C．will have | D．have |
---When can we use this lift?
---Not until it____________ next week.
| A．will repair | B．is repaired | C．will be repaired | D．repairs |
I don’t know he tomorrow. I think if he, I’ll go to see him.
| A．comes; comes | B．will come; come | C．will come;will come | D．comes;will come |
The passengers’ (乘客) families were to keep calm as soon as they heard the bad news.
| A．too sad | B．sad enough |
| C．enough sad | D．so sad |
—I don’t know when ______ tomorrow.—I will call you as soon as he ______.
| A．will he come; arrives | B．he will come; arrives |
| C．he will come; will arrive | D．he comes; will arrive |
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