TheUnitedNations____in1945.

Peru is, ______, a very beautiful country、It is so attractive that tourists from all over the world come to visit it.

We couldn’t have picked ______ day for the picnic－it rained nonstop.

ys leave things about my son up to himself______his decision is wrong, for I think he can learn more from failure

The problem is __________ for Tom to work out.