It took seven years __________ they finally got married.
| A．since | B．after | C．before | D．when |
We can’t take part in the competition ________ we get our student card.
| A．before | B．if | C．While | D．as |
It was announced that only when the examination papers were handed in ________to go out of the classroom．
| A．the students would be permitted | B．had the students been permitted |
| C．would the students be permitted | D．the students had been permitted |
As a result of the heavy snow，two-thirds of the buildings in the area.
A. need to repair B.needs to repair C.needs repairing D need repairing.
—It’s only ten minutes’ walk; I could have got there on foot.
— Yes. A taxi _______ not at all necessary.
| A．was | B．had been | C．has been | D．is |
His suggestion made me angry, but _______.
| A．making others happy | B．to make others happy |
| C．others happy | D．his advice others happy |