If you ever have the _____ to go abroad to work, you should take it.
He has to write a _______ composition every other week.
The child had only a _______ temperature, but the doctor regarded the illness as serious enough for hospital treatment.
—Can he take charge of the computer company? —I’m afraid it’s _______ his ability.
________ is the population of Shanghai?
________ by a group of children, he felt happy.