money if you can and many poor children in the poor mountainous areas will be able to go back to school．

A．Having given        B．Given                  C．To give                D．Give

Prices of daily goods          through a computer can be lower than store prices．

A．a(chǎn)re bought                  B．bought                 C．been bought         D．buying

A model or an experiment in a science class can help students see things which would          remain hidden．

A．otherwise            B．still                      C．thus                       D．therefore

Is          Qinghai-Tibet Railway plays an important role in China's railway history the topic that you are coming to?

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

--It s burning hot today，isn't it?

--Yes．         yesterday．

A．So was it             B．So it was             C．So it is                   D．So is it

--I serve Jim three meals every day and do almost everything for him，but he still fails me．

--I'm sorry to say that's          you are mistaken．

A．how                    B．why                    C．what                      D．where

As the twentieth century came to a close，the raw materials for a great national literature were at hand，waiting         ．

A．to use                  B．to be used            C．to have used           D．to be using

I'm sure you'd rather she went to school by bus，         ?

A．hadn't you            B．wouldn't you        C．a(chǎn)ren't                     D．didn't she

One of the best ways for people to keep fit is to          healthy eating habits．

A．grow                   B．develop                C．increase                 D．raise

It is no          arguing with Bill because he will never change his mind．

A．use                      B．help                     C．time                       D．way