The question is         that nobody can answer it.

• A. very hard
• B. too difficult
• C. strange enough
• D. so strange

We are not sure if it        tomorrow. If it        , our sports meeting will be put off.

• A. will rain; rains
• B. rains; will rain
• C. will rain; will rain

In summer, food goes bad easily         it is put in the refrigerator.

• A. until
• B. if
• C. unless

—I hear Jack Chan will come to Laiwu next week.—Really?        he comes, my younger sister will be very happy.

• A. If
• B. Until
• C. Unless
• D. Before

        it's difficult to make her dream come true,she never gives up.

• A. Though
• B. Unless
• C. Because
• D. If

You should go over your test paper       you hand it in.

• A. before
• B. after
• C. because
• D. as soon as

We won’t start the meeting        our teacher arrives.

• A. though
• B. until
• C. while
• D. or

If there is any change to the plan, I        you as soon as possible.

• A. told
• B. have told
• C. tell
• D. will tell

（2010四川达州） I don’t know if Jack      . If he      , call me, please.

• A. will come; will comes
• B. comes; come
• C. comes; will come
• D. will come; comes

(2010四川省内江市)I don’t know if it      tomorrow.If it      ,we won’t go on a picnic.

• A. rains;rains
• B. will rain;rains
• C. will rain;will rain
• D. rains; will rain