There are ________ people taking part in the marathon today and ________ them are the students in Grade Eight.

A. thousands of；a number of B. thousands of；the number of

C. thousands；a number of D. thousand；the number of

After chatting happily with the new student in my class, I gave her my QQ number and she gave me .

A. she B. hers C. her D. herself

This medicine discovered by Tu Youyou ________ many people’s lives since it was put into use.

A. is saving B. will save C. has saved D. had saved

The secret of happiness is to treasure the things you have now. But someone won’t know it _______ they lost what they own.

A. if B. while C. since D. until

— Lucy, can you speak Chinese now?

— Of course. Chinese has been one of ________ languages in the world. I must learn it well.

A. popular B. more popular C. most popular D. the most popular

It’s exciting that the Chinese national volleyball team ________ the Serbian team by 3:1 and ________ the championship on August 21st, 2016.

A. won；beat B. lost；missed C. beat；won D. missed；lost

— Must I return the book today?

— No, you ________. You can do it tomorrow.

A. can’t B. needn’t C. mustn’t D. shouldn’t

— I hear more high speed railways will be built around whole China ________ a few years.

— That sounds great. It’ll be more convenient and faster for us to go out.

A. in B. on C. after D. at

— I prefer acting on the stage to ________ in the sports fields.

— It seems that you are talented in all kinds of art and sports.

A. playing B. play C. played D. plays

________ it was raining heavily, we decided to stay at home and watch movies.

A. Although B. But C. Until D. As