Once out of the earth’s gravity, the astronaut is____ by the problem of weightlessness.

The primary school in that village _____ in 1995 with the help of some young people.

Half a month passed and the boy ________ all his money, so he had to turn to his friends for help.

The travel costs ____ 2,000 dollars.

I could just see a car in the distance, but I couldn’t _____ what color it was.