Why didn’t you go to play football with us yesterday afternoon? —I _____my mother with the housework then.

Tell the boy the news. He is ______to understand it.

Mr. West showed me around the library ______he was working. [ ]

Jackie Chan has donateddollars to charity.—He is an example to us all.

Tom, your books should be in right order.—OK. I’ll ______ right now.