I would have come earlier but I ______ that you were waiting．

A．didn't know                                             B．haven't known

C．hadn't known                                            D．don't know

If you are planning to be present at the opening ceremony, I'll come along and keep ______．

A．company                                                B．companion

C．accompany                                               D．companionship

Some historians believe that John could have played ______ in America’s history as James Madison．

A．as an important role                                 B．as important a role

C．an important role as                                    D．a role as important

—What's that you are reading?

—Nothing，______

A．Mind your own business!                                B．Don’t ask that．

C．Go ahead，please．                                 D．It’s all right．

I shouldn't have told her what I really thought；I guess I got ______．

A．carried away          B．broken down                C．kept down              D．turned away

Most restaurants are closed during the Spring Festival．______, we had better eat at home．

A．After all         B．Once and for all           C．All in all    D．That is all

—What should I do with such a messy room after the party?

—______ the useless stuff on the floor first．

A．Clearing away                                           B．Cleared away

C．Clear away                                              D．To clear away

In the home，it is Mrs. Baker ______ takes care of the housework，______ her husband is very forgetful．

A．that；which                                            B．who；and

C．that；when                                               D．who；for

—I don't know if we ______ be doing this．

—Believe me，it's totally safe．You ______ have fun．

A．might，should                                  B．can，will

C．should，will                                     D．need，must

While attempting to reach his home before the storm，______．

A．the bicycle of John broke down

B．it happened that John’s bike broke down

C．the storm caught John

D．John had an accident on his bicycle