It is important that the boy （ ） an adult to take care of him.

I think it’s high time we _____ strict measures to stop pollution.

It was only by a great effort of will and courage that he was able to （ ） himself together.

（ ） the obvious differences in size and population, the states of America have many things （ ） common.

When I was a child, I used （ ） to the river and bathe in the evening.

（ ） some mammals came to live in the sea is now known.

The sales manager had his secretary _____ a press conference for their new products.

The patient’s progress was very encouraging as he could_____get out of bed without help.

Little （ ） to win your friendship in this way.

No one should blind himself （ ） the well-known fact.

—Shall we invite Tim? —No, it’s too late to invite any more people. _____, he hates parties, you know.

Three of us will go there, and the rest （ ） to stay here.