There is going to be a thunder-storm soon.We think it likely

There is going to be a thunder-storm soon.We think it likely _____ the flight will be put off.
A.whether B.that C.when D.because
2.Are you certain _____ the young girl has said is true?
A.that that B.that what C.of which D.about what
3.The repairman knew there was something wrong with the car,but he could not decide _____ part the trouble lay.
A.in what B.in whose C.in which D.where
4.Did John tell you anything about Mary?
--- Nothing _____ she would return to China this autumn.
A.except when B.except for C.except D.except that
5.As your teacher,I will recommend you several top universities of the world,but I will not decide _____ you should go to.
A.what one B.which one C.where D.that one
6.I don’t think it true _____ she went to the flower show yesterday afternoon.I saw her in the library.
A.when B.that C.whether D.why
7.Mr.Baker is a man of strong will and he will do _____ he thinks is right,_____ difficulties he may have.
A.what…whatever B.what…what C.what…whatever D.if…whatever
8.Some books are good and some books are bad.Therefore children cannot read _____ books they get.
A.whose B.whatever C.whichever D.which
9.The manager said he did not receive our invitation.Did you ask your secretary _____ she had handed the invitation?
A.for whom B.who C.whom D.to whom
10.There are so many goods in the supermarket that people will often be puzzled ______.
A.what do they buy B.which to buy C.what they buy D.what to buy
11.--- Can you explain what energy is?
--- Let me try.Energy is _____ makes things work.
A.all that B.what that C.what D.that
12.I am sorry to tell you that it was not until last Sunday _____ Shelly was told her son was injured in the accident.
A.what B.that C.when D.since