—Excuse me.what’s this for?—It’s a cleaner and it________to pick up dirt.
Our knowledge of computers __________ growing all the time.
The teacher told us yesterday that December 25th __________ Christmas Day.
China __________ the WTO and became a new member of it.
He told the policeman that Kate ___________ near the lake at this time yesterday.
— Excuse me. What did you say you would like to do, Miss White?— I said I’d better go back to the office and I __________ someone this afternoon.