题目

1.A nature reserve for whiteflag dolphins was set up in1992,___boats have been prohibited from sailing since then.
A,where B,when
2.We ___that all the decisions and plans adopted Will play an important role in the development of the great cause.
A.are convinced B.convince C.will convince D .were convinced
3.The man has launched a program___people should do as much as they could do to help people in the.earthquake
A.that B.what C.when.D.which
4.__hi.you seem to have been away for a while
___Yes,i( )with my grandma for several weeks
A.have lived B.have been living C.lived D.had lived

提问时间：2020-07-27

答案

A定语从句,先行词为reserve A 看从句的动词是一般将来时可知,主句的动词应该为一般现在时,主将从现A同位语从句,先行词为program,判断是同位语从句的原因是因为从句中不缺成分 C从句意中可知“我”已经回到了与对话者对话的地方,所以和奶奶住的这个动作发生在过去,并且已经结束,故选C