63.The possibility________the majority of the labor force will work at home is often discussed.

A.which　　　　　　　　 B./　　　　　　　　 C.that　　　　　　 D.what

62.________ in the newspaper that the Japanese minister will arrive next Monday.

A.It says　　　　　　　　 B.It is said　　　 C.It has said　　　　　 D.He is said

61.It is probable________he told her everything.

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

60.It’s not yet clear________of those will be chosen to do the job.

A.that　　　　　　　　　 B.whom　　　　 C.which　　　　　　　　 D.whose

59.________ there is life on another planet is almost impossible.

A.How　　　　　　　　　 B.That　　　　　　 C.Why　　　　　 D.Whether

58.This is the nicest hotel________I have ever stayed so far.

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

57.________ is the most useful invention?

A.Do you think which of these　　 　 B.Which of these do you think

C.Which of these you think　　　 D.You think which of these

56.The reason________she gave for not being present was _______the heavy snow prevented her coming.

A./；because　 　　　 B.why；because　　 C./ ；that　　　 　　　 D.why；whether

55.Father made a promise________I passed the examination he would buy me a new dictionary.

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

54.________ we’ll go camping tomorrow depends on the weather.

A.If　　　　　　　　　　　 B.Whether　　　　　　 C.That　　　　　　 D.Where