4．You'd better                    here until he                 ．

A．don't leave：returns                                 B．not leave；returns

    C．not to leave；will return                             D．not leaving；return

3．I don't know if he                   tomorrow．If he                  tomorrow，please ring me up．

A．comes：comes                                        B．will come；comes

    C．will come；will come                                D．comes；will come

2．We will visit the museum               next month．

A．sometime                                                B．some time   

C．sometimes                                                 D．some times

1．―Who teaches                Japanese? ―We teach                 ．

A．your；ourselves                                        B．you；ourselves 

C．your；ourself                                            D．you；us

10．I'm sorry to keep you                   for a long time．（wait）

六、你想了解一下自己的学习情况吗?试试下面的练习，选出最佳答案填入句中。（15分）

9．It's the third time I                 （see）him this month．

8．If it                  （snow）tomorrow，we will stay at home．

7．I don't know if it                    （snow）or not tomorrow．

6．Children aren't allow                     （swim）here，It's dangerous．

5．My mother made me                      （wash）nay clothes myself yesterday．