Did you see Mr. Smith when you were in France?— No. When I _______ France, he _______ to China.

Tom’s uncle knows computers well, and he __________ a computer engineer .

Can I spend ______ minutes in bed?－Sorry, you can’t.

He is _____ in hospital, so he is a _____ person.

There happened to be nobody under the wall when it fell down, ____ ?