1.The advertisements are trying ________ people to buy things they don‘t really need.

　　A.persuade B.persuading C.be persuading D.to persuade

　　2.Practice ________ English every day.

　　A.speak B.to speak C.speaks D.speaking

　　3.The discount houses were first established in that period of time ________ people‘s purchasing power was low.

　　A.which B.that C.when D.where

　　4.Please write a report ________ the above subjects are to be covered.

　　A.which B.in which C.that D.in thatwww.examw.com

　　5.The reason ________ I‘m writing is to ask for your permission to translate your latest novel into Chinese.

　　A.because B.why C.for D.as

　　1.正确答案：D答案解析：try to do：试图做某事。

　　2.正确答案：D答案解析：本题考查的是practice后面要跟动词的ing形式。

　　3.正确答案：C答案解析：先行词是in that period of time，所以关系词应选择when.

　　4.正确答案：B答案解析：in which the above subjects are to be covered是report的定语从句。which指代先行词report，in用于与report搭配。

　　5.正确答案：B答案解析：本题考查的是定语从句的用法。先行词是the reason;引导词why表示原因。