What would happen to the earth if the sun suddenly switch off some day?
| A．might | B．could | C．would | D．should |
I could tell he was surprised from the _____ on his face.
| A．appearance | B．view | C．sight | D．expression |
I'd like to take _____ of this opportunity to thank you all for your cooperation.
| A．profit | B．benefit | C．advantage | D．interests |
________ of the land in that district _______ covered with trees and grass.
| A．Two fifth; is | B．Two fifth; are | C．Two fifths ; is | D．Two fifths; are |
The number of people present at the concert was______than expected . There were many tickets left .
| A．much smaller | B．much more | C．much larger | D．many more |
–Excuse me , Sir . Smoking is not allowed here .
–Oh, sorry. I __________.
| A．haven’t know | B．don’t know | C．hadn’t know | D．didn’t know |