The doctor did everything they could the dying boy’s life, but they failed.
A．savingB．to saveC．saved
I’d like to walk to the park instead of there by bus.
A．goingB．goesC．to go
we were quite tired, we still went on working.
A．Because; /B．Although; butC．Although; /
—I’ll return the book to Mary, but I can’t find her anywhere.
—She the teachers’ office. You can find her there.
A．have gone toB．has gone toC．has been to
—Forests are very important, aren’t they?
—Yes. They can prevent the water washing the earth away.
A．forB．toC．from
—Fruit juice can be to Children’s teeth.
—I agree with you. Children shouldn’t drink too much.
A．usefulB．deafC．harmful
