Look at the new computers, of ______ none are produced abroad.

A. them          B. whom     C. which        D. these

—What about the picnic plan?

—Not ________ yet. It’s being discussed.

A. decided                    B. decide C. deciding                 D. to be decided

After dry days, everyone appreciates ______ when there is a timely rain.

A. that                         B. one            C. this                        D. it

While reading, you should not always ___________ a dictionary to find the meaning of each new word.

A. look up         B. turn to     C. look for       D. turn out

 —Do you know what to do in the lab, Mike?

—Oh, sorry I don’t----just _____if I could get a ticket for the Shanghai Expo.

A. wonder                    B. wondered  

C. wondering             D. having wondered

A man of value never thinks of everything only in ______ of money.

A. terms                B. orders        C. times                D. sights

 —How ­­­­­_____ you have been late then in such a small town?

—Lots of turns in the streets, and the buildings look all the same.

A. can                   B. could                C. may                  D. must

We should learn how to value what we have ______ it is too late.

A. when                B. after                 C. before        D. until

But as to the fine quality of the products, our price is very _______.

A. high          B. fit                     C. reasonable     D. small

Only when it rains in summer_______ such beautiful rainbows here.

A. could you see                  B. you can see

C. you will see                         D. can you see