All passengers________ in the accident were sent to the nearby hospital.
| A．to find injured | B．finding to injure |
| C．to be found injured | D．found injured |
.As we know, in our Chinese history _____ was a time when industry was only a home business.
| A．it | B．there | C．that | D．what |
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 |