1.We shouldn't let our grandparents who are too old and weak____along.A.live B.living C.to live D.lived 我选C,答案A
2.Teachers should create an environment____children are taught how to solve problemsof learning by themselves.A.why B.where C.which D.whose 我选C,答案B
3.Before a job interview,the professor gave me a better offer than___A.that of Catherine's B.Catherine's C.he gave Catherine D.those of Catherine 我选A,答案C
4.You must realize that____you want to finish this report will be doing it under a lot of pressure.A.who B.whoever C.no matter who D.whom 我选D,答案B
5.New technology like cyber communication will make____is impossible possible.A.it B.that C.what D.all 我选B,答案C
6.Some of the simplest questions about earthquakes remains hard____A.to be answered B.answering C.to answer D.being answered 我选B,答案C
7.Accustomed to ____ the steep mountains, he had no difficulty reaching the top.A.climbing B.climb C.having climbed D.have climbed 我选D,答案A
8.Our club is open to adults only.____your children have entered without permission.A.There seems that B.It seems to be C.There seems to be D.It seems that 我选A,答案D
9.Sugar,when____with water,dissolves quickly.A.mixed B.mixing C.mix D.is mixed 我选D,答案A
10.A massive earthquake under the Indian Ocean sent walls of water____over the shores of South Asia. A.to crash B.crashing C.crash D.crashed 我选D,答案B