The factory used 65 percent of the raw materials, the rest of which _____ saved for other purposes.
| A．is | B．were | C．was | D．are |
The Australian boy has a good __________ of Chinese and can express himself freely in it.
| A．demand | B．power | C．command | D．usage |
Be ___________ ---you can’t expect me to finish all this work in so little time.
| A．grateful | B．confident | C．reasonable | D．creative |
—Do you like working as a waiter?
—Yes, but I get tired ______ standing the whole day．
| A．with | B．for | C．to | D．of |
_____enough time and money, I'm sure I will do the work perfectly．
| A．Give | B．Giving | C．Having given | D．Given |
My interests include football, bowling and surfing the web ______ studying my favorite subjects．
| A．instead of | B．as well as | C．less than | D．rather than |