Cycling is a good exercise. _______, it doesn’t pollute the air.
A．However B. Otherwise C. Moreover D. So
— What should I do, doctor?
— _______fit ,you should take more exercise.
A. Keep B. Keeping
C. In order to D. To keep
Shandong is ______ the east of China, and Japan is ______ the east of China.
A. in; to B. to; in C. in; in D. to; to
_______ was the temperature yesterday?
A. What’s B. How much C. How D. What
Most teenagers play games on their smart-phones（智能手机）_______fun.
A. at B. with C. in D. For
She wanted to buy some comic books, but there was ______ left in the shop.
A.nothing B. none C. something D. nobody
