Difficulties are nothing _____we are not afraid of them.
| A．for | B．as | C．if | D．whether |
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 |
Talk to your teacher and you will get help ________ you have a problem.
| A．unless | B．if |
| C．until | D．so |
—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 |
-When will you go back to your hometown? - _______.
| A．Until the work is finished |
| B．Not until the work is finished |
| C．After the work will be finished |
| D．As soon as the work will be finished |
—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 |
—Excuse me, Mum. When can we have dinner?
—Not until it in half an hour.
| A．is prepared | B．has been prepared |
| C．will be prepared | D．was prepared |
If our government ______ attention to controlling food safety now, our health ______ in danger.
| A．won’t pay; is | B．doesn’t pay; was |
| C．won’t pay; will be | D．doesn’t pay; will be |
— Do you think when they to play basketball with us?
— I think they’ll come when they free．
| A．come；are | B．will come；will be |
| C．will come；are | D．come；will be |
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 |