________ the environment, many supermarkets in China stopped providing free plastic bags.
A. To protect B. Protect C. Protects D. Protected
— ________ will you stay in China for your further study?
— For three years.
A. How often B. How soon C. How far D. How long
— ________ I watch Ode to Joy (《欢乐颂》) , on TV now, Mom?
— No, you can’t. You ________ finish your homework first.
A. May；must B. Can；need C. May；can D. Must；needn’t
Stick to ________ dream and study hard. You are sure to make ________ come true.
A. your；it B. your；them C. yours；it D. yours；them
Jack, the cake tastes so ________. Can you show me how to make it?
A. good B. better C. best D. the best
Pony Ma, the Chairman of Tencent Company, has made much money ________ the Internet.
A. along B. across C. towards D. through
