This is not an economical way to get more water; , it is very expensive.
Many people agree that __________ knowledge of English is a must in _________international trade today.
----Are you going to Tom’s birthday party?---- __________. I might have to work.
— Tim,I’m sorry.I used your type writer when you were away this afternoon.— ____________.
They must have been enjoying themselves there,or they __________ so long.
.—What did he become when he grew up?—A soldier, _________ he had wanted to be very much.