Co-operation or teamwork, the importance of which is often ________, plays an important part in football matches.
| A．stressed | B．thought of | C．paid much attention | D．talked |
Astheapplause_____,thecurtainonthestagedroppedslowly.
| A．tookoff | B．dieddown | C．passedout | D．stayedup |
Afteryouhavelearnedsomethingnew,itisimportantthatyoutryto_________.
| A．bringitup | B．letgoofit | C．getridofit | D．putitintopractice |
Do you know the boy _______ under the big tree?
| A．lay | B．lain | C．laying | D．lying |
－What do you think of the book?
－Oh, excellent. It’s worth ______ a second time.
| A．to read | B．to be read | C．reading | D．being reading |
Go on _______ the other exercise after you have finished this one.
| A．to do | B．doing | C．with | D．to be doing |