Who ______ your grandparents —My uncle. They live in Beijing.

, did you see Mr. Chapman in the office justnow– Yes, he ______, and he looked a little bit nervous.

I_______ to the see the film Alice inWonderland last night but for the fact that I was busy preparing for theEnglish exam.

The room is big enough for us _________ .

People ____ more and more useful things to protect the earth since Earth Day was started.