--- Where is it?

--- Where is _____? I don’t know what do you mean?

A. what                            B. that?                    C. where                   D. so

They kept trying _____ they must have known it was hopeless.?

A. if                                B. because?                C. when                    D. where??

--- Have you seen _____ pen? I left it here this morning.  

--- Is it _____ black one? I think I saw it somewhere.

A. a, the                                 B. the, the                 C. a, a                             D. the, a?

She may have missed the train, in _____ case she won’t arrive for another hour.?

A. whose　                      B. that?                  C. which　                       D. what

He will tell you _____ he expects will win such a match.

A. why                             B. whom                    C. which                           D. who

Everything around us is ____ solid ..liquid ____ gas.

A. not .. .but...      B. either.. .or...C. neither.. .nor...   D. whether.. .or...

Francis did the task____ his brother.      

A. as good as       B. as better as  C. as well as      D. as best as

_____ defeated, they didn't lose heart.

A. In spite of 　B. Except for 　　          C. Though 　　  D. Until

The old man died ____ cold ____ a cold night.

A. from; at         B.of;in                              C.of;on                     D. for; during

The plane flew ____ the city.  

A. across                B.past           C. through       D.over