The sentence structure(结构)of “He often makes me happy” is ________.
In the past few years, great changes in Chongqing.
My parents are very strict me because they always worry my success in the future.
The math question is difficult for the students work out.
Some terrorists the music hall in Paris and killed over 100 people on Nov. 13.
People write letters to friends and relatives, but now WeChat and QQ communicating with others widely.