1.Astudentisusuallylesslikelytofailanexaminationifheknowsexactlytopicswillbetested.A.howB.thatC.whatD.which答案是which,为什么不是what?2.MrSmithwassoangryatallthatBillwasdoingheleft.答案是that,为

Question

1.A student is usually less likely to fail an examination if he knows exactly _____ topics will be tested.
A.how B.that C.what D.which
答案是which,为什么不是what?
2.MrSmith was so angry at all that Bill was doing ______ he left.
答案是that,为什么不是what?

Answer 1

1是特指 topics 因此,用which
2吗,是从句固定格式