His first novel ______ in 2001.
Jim has been to the Great Wall before, ______ he?A. has B. does C. hasn’t
The city has improved a lot _________ I came here a few years ago. A. since B. for C. when
The weather in summer here is cooler than ______ in Beijing.A. this B. that C. it
In our class, about ______ of the students are girls.A. three fifths B. third fifth C. third fifths
One-child policy has ______ controlling China’s population.A. did well in B. worked well in. C. worked good in