Wang Wei never ___________ the plane to the USA.A. by B. takes C. take D. on
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.