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
It was about 5 o’clock in the afternoon _______ they had their supper.
A. that B. what C. before D. when
His suggestion made me angry, but _______.
A. making others happy B. to make others happy
C. others happy D. his advice others happy
_______ that he might lose his job, Peter always works extra hours to please his boss.
A. Worrying B. Having worried C. Having been worried D. Worried
