— 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
— 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
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
— 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
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
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
