-----What do you think of Harry, our new roommate?----- I am not sure, but he is always asking _____questions.
These tax laws, which are intended for domestic companies, do not ________ to foreign companies.
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.