We should keep _______ in the reading-room.

The teacher said we had only three days to finishthe work. — Don’t worry. We have already ________two thirds of it.

Anything more about the Anna’s family life?—Well, she makes ______ a rule to go shopping once a week

________himself with many optimistic people,the old man led a happy life.[ ]

Tom, could I _________ your bike I promise that I won’t _________it to others.