It’s quite obvious that the aging population in China will cause _____ heavy pressure
on _____whole society in the future.
A.a; / | B./; / | C.a; the | D.the; a |
—Are they about to have dinner?
—Yes, it ________ in the dinning room.
A.is serving | B.is served | C.is being served | D.serve |
We were swimming in the lake _____ suddenly the storm started.
A.when | B.while | C.until | D.before |
---Have you read the timetable ? ---Yes . The train ____ at 10:12 p.m..
A.will start | B.is going to start | C.should start | D.starts |
Do you know __________ ?
A.he lives where | B.where he lives |
C.where does he live | D.where is he living |
The message is very important, so it is supposed _______ as soon as possible.
A.to be sent | B.to send | C.being sent | D.sending |