The public transport system in Beijing is very good now, so there _____be any difficulty in traveling around the city.
—Is that a book on painting? If so, I want to borrow . —Yes, it is.
—What about shirt she bought for her father? —It’s wonderful as birthday present.
It is difficult for any of us to eat better, exercise more and sleep enough _________ we know we should.
Hardly _______________ when we were told to stop.
The girl seldom, if _____, turned to her brother for protection.