The girl has friends here, so she feels lonely.

You should be careful when ________.— Yes, I will．I’d like to know when ________ to have a rest.

The boy is the equal of the girl, _____ intelligence is concerned, but he doesn’t work hard at all

mericans would prefer to keep theirproblems ______ themselves, and solve their problems ______ themselves.

Do you need any help, Lucy? — YesThe job is ________ I could do myself[ ]