Only when it rains in summer_______ such beautiful rainbows here.
A．could you see B．you can see
C．you will see D．can you see
But as to the fine quality of the products, our price is very _______．
A．high B．fit C．reasonable D．small
We should learn how to value what we have ______ it is too late．
A．when B．after C．before D．until
—How _____ you have been late then in such a small town?
—Lots of turns in the streets, and the buildings look all the same.
A．can B．could C．may D．must
A man of value never thinks of everything only in ______ of money.
A．terms B．orders C．times D．sights
—Do you know what to do in the lab, Mike?
—Oh, sorry I don’t----just _____if I could get a ticket for the Shanghai Expo.
A．wonder B．wondered C．wondering D．having wondered
