Some people won’t realize the importance of their health ______ they lose it.
A.after B.when C.until D.as
— Amy, ______ is the Hong Kong-Zhuhai-Macao Bridge?
— It’s 55 kilometers and it is the world’s longest over-water bridge.
A.how far B.how many C.how much D.how long
— You look sleepy. What for?
— I stayed up last night. My report on Green Lifestyle ______ to the whole class in two days.
A.gives B.is giving C.will be given D.was given
— Why don’t you go to bed, Jimmy?
— Mum promised to tell me a bedtime story, but she ______ her work.
A.doesn’t finish B.didn’t finish C.hasn’t finished D.won’t finish
The strict teacher asks his students to make sure the exercises are done ______.If not, they have to deal with the wrong ones and tell him why.
A.closely B.clearly C.correctly D.completely
Many teenagers are fond of extreme sports such as climbing and parkour (跑酷). Before trying such sports, they ______ learn safety rules first.
A.should B.may C.could D.might
