In the past few years, great changes in Chongqing.
A. have taken place B. took place
C. have been taken place D. have happened
My parents are very strict me because they always worry my success in the future.
A. in; about B. with; of
C. in; with D. with; about
The math question is difficult for the students work out.
A. too; to B. so; that
C. such; that D. enough; to
Some terrorists the music hall in Paris and killed over 100 people on Nov. 13.
A. came B. entered C. went D. left
People write letters to friends and relatives, but now WeChat and QQ communicating with others widely.
A. used to; are used to
B. are used to; are used for
C. used to; are used for
D. are used to; used to
The weather in Kunming is too cold too hot. People like to live there.
A. either; or B. both; and
C. neither; nor D. not only; but also
