—Did Jack take the doctor's advice that he _____ in bed for another three days?—If only he_____.
The editor’s job is to keep the newspaper_____ and________to the readers.
It is thought that one billion people I the world,________is half the word’s workers, earn their living by farming.
I can’t find my watch. I must have ________it in the hotel.
Is Mr. Wang good at drawing his students into ________ discussion?
_________side of the street is lied with different shops, _________of which sell electronic products.