18、---She was late for the party．   

---That’s _________ she had forgotten the exact time．    

A．why                B．how                C．because               D．whether

17、---My watch is out of order．    

---Then why don’t you have ____?   

A．repaired it                       B．to repair it   

C．it repaired                       D．it to be repaired

16、The cloud never hides the sun． The truth will be known to all____．               

A．on time                       B．in time     

C．by time                        D．from time to time

15、A fire ______ in the shoe factory last night but ____ soon．    

A．broke out; put out                      B．was broken out; was put out

C．broke out; was put out                 D．was broken out; put out

14、________ no doubt  _______ China will become an advanced country in the future．

A．It; whether                               B．There is; that    

C．It is; that                                  D．There is; whether

13、---Do you mind if I turn off the radio?    

---________ The good news will be on in a few minutes．   

A．Of course not．                      B．I’m afraid I do．

C．Why not?                             D．Yes, just go ahead．

12、The king made a promise ______ his daughter will marry the winner of the game．

A．that                 B．if                   C．whether               D．that if

11、Elephants have their own way to tell the shape of an object and_________ it is rough or smooth．　　

A． /            B．whether             C．how                 D．what

10、---I want to know if I _______ smoke here．

---No, you _______． Could you see the sign “NO SMOKING” there?

A．can; needn’t                        B．must; can’t

C．shall; won’t                         D．may; mustn’t

9、To regain their ______after a hard game, the players lay on the grass．

A．force         B．energy          C．power           D．health