There is little milk left in the bottle,______

I haven’t seen your grandfather for several years. Where has he gone—Oh, he _____ for two years.

why didn’t you come yesterday—I __________, but I had an unexpectedvisitor

Perhaps we can go to the home for the elderly to do some voluntary work. — ______ We should give the elderly a warm hand as often as possible.

It was quite a serious mistake, ____caused by carelessness.