— There used to be a lot of fish in the lake many years ago.— Yes, but there are very _______ now because of the pollution.
—May I speak to John? ---Sorry, he Japan. But he in two days.
___________ is better than to receive.
Camels can walk a long way without __________ .
It Yang Liwei about 21 hours the earth 14 times in his spaceship.
Xiaoli hasn’t her parents for a month. What happened?