42When and where this took place                still unknown.

　　       A. are   B. were   C. is   D. has

 22Three hours with your girl friend                 to be a short time.

　　       A. seem   B. seems   C. is seeming   D. has seemed

　　    2No one except Jack and Tom                the answer.

　　       A. know   B. knows   C. is knowing   D. are known

He made up his mind to devote his life      the river      polluted.

A. to prevent, to be              B. to prevent, from being 

C. to preventing, to be            D. to preventing, from being

       This cake is very sweet. You ______ a lot of sugar in it.

A. should put         B. might put          C. could have put          D. must have put

30.   I hate ______ when people call me by my nickname (绰号).

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

The old lady, _______ had been killed in the war, was given help by the local government．

A．all her children            B．all of her children   

C．all of whose children              D．whose all children

After living in Paris for fifty years he returned to the small town ________ he grew up as a child．

       A．which         B．where       C．that             D．when

The most important thing _____ we should pay attention to is the first thing ____ I have said．

A．which; that   B．that; which           C．which; which         D．that; that

We’re going to the bookstore in John’s car. You can come with us _____ don’t be late when you come here.

A. but                                  B. and                                   C. or                                      D. then