If you forget ______ your watch, it is likely to stop soon.
________ got on the train when it started to move.
---Would you mind giving your advice on how to improve our business management? ---If you make ______ most of the equipment, there will be ______ rise in production.
The number of students in our schoolabout 3,000 andthem are from the countryside.
I didn’t know Headmaster Weng was away for Beijing. Ito his office yesterday.
Mary devoted her lifethe sick.