—Would you please _______ so much noise?
—Oh, sorry, I won’t.
| A．not make | B．don’t make |
| C．not to make | D．making |
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. sinceB. forC. 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