---- I've spent the whole afternoon reading books.-- -I think you'd better go out and get some _______ air.A bad B. thick C. fresh
He won’t join in the party. I won’t, _________.
The price of this bicycle is quite _________. I don’t have enough money to buy it.
My father _________ Beijing on business for three days. He will be back in two days.
Our teacher told us light _________ much faster than sound .
—________ have you been in this school? —For two years.