The moment we heard the news of the earthquake，we began to ______ the work to rescue those who were trapped in the building.
| A．set off | B．set down |
| C．set aside | D．set about |
Professor Smith，along with his assistants，on the project day and night to meet the deadline.
| A．work | B．working | C．is working | D．are working |
—Didn’t you enjoy the performance last night?
—.It was less wonderful than expected.
| A．Yes，I did | B．No，I didn’t | C．Yes，I didn’t | D．No，I did |
，and the problem would be straightened out.
| A．A bit more effort | B．Having a little effort |
| C．If you have a bit more effort | D．There being a little effort |
My trousersbeing washed.What’s worse，this pair of trousers bought yesterday
too short for me.
| A．are;is | B．is;is | C．is;are | D．are;are |
All possible meansto save the wounded soldier.
| A．has been tried | B．have been tried |
| C．is to be tried | D．are trying |