Excuse me, may I use your bicycle ______ is broken. — Certainly. But remember to return it before lunch.

Children should be encouraged to try new things but should notbe too hard.

It is he often fails in the exams makes his parents worried about him.—— So, he has to work whole- heartedly.

She can not _____ her husband’s bad temper any more.

_______istwo and four—It’ssix.