Please _____________ . The class is too noisy.

She says that she’ll have to close the shop ________ business improves.

_______ the trouble they were in, they stillmanaged to help us with some money.

________ she couldn’t understand was ________ fewer and fewer students showed interest in her lessons.

The saying A tree can’t make a forest (森林) tells us that _____ is very important in a football match.