Tom _______ the USA. He _______ back in two months.A. has gone to; comes B. has gone to; will be C. has been to; comes D. has been to; will be
Father has had the computer _________. Now it works very well.
--- Is your mother badly ill? ---NO,,only a little cold
-- Do you know why he left so early ? --__________ for the English test, I guess.
There are _______ in the reading room, but many of those books aren’t _______ to read.
It’s generous _______ him to give so much money to charities. Now he thinks it's important _______him to help people in poor areas.