Work hard when young, ______ you will regret.
It is reported that the police will soon ______ the case of two missing children.
The good thing about children is that they ______ very easily to new environments.
Frank put the medicine in a top drawer to make sure it would not be _______to the kids.
--- Do you think it’s a good idea to make friends with your students?---_______, I do. I think it’s a great idea.
Let’s go to______ cinema--- that’ll take your mind off the problem for _______ while.