–Which lesson are we going to study?–We are going to study .
-It's nearly 10 o'clock. It's time for you to go to bed. -OK! , Dad.
______she is not in good health, ______she works very hard .
-_________ we go at 7.30 ? -What about __________ it a little earlier ?
Who won________race last week?
About____________of the books in the library are written in Chinese.