—Why didn’t you try your best to get on the subway (地铁)?
—I tried to, but it started moving _______ I could get on it.
| A．before | B．while | C．as soon as | D．after |
—Joan’s been to Beijing . What about Jack ?
—_______
| A．So has he. | B．So is he. | C．So he has. | D．So he is. |
—Hey, Jack. Waste paper mustn’t ________ here.
—Sorry, I won’t do that again.
| A．throw | B．be thrown | C．be throwing | D．to throw |
—How long has Henry’s father_______?
—About two months.
| A．left China | B．bought the car | C．borrowed the book | D．been away |
—We should _______ humans from ________ down too many trees.
—I agree with you. Trees are very important to us.
| A．keep; cut | B．prevent; cut | C．stop; cut | D．prevent; cutting |
—Ihavenoidea____________ tell herthebadnews.
—I think tomorrow is the best time.
| A．how to | B．when to | C．how can I | D．when can I |