It is strongly suggested that measures________factories to pour waste into rivers by the government.

How do you like the concert? —I really enjoy it. I didn’t expect it was _____ wonderful.

Carl wanted to play a joke on Bob but gave himself _____ by laughing

The little boy isn’t __________ to reach the apple on the desk.

The number of people invited _____ fifty, but a number of them _____ absent for different reasons. [ ]