-Could I use your bike, Jack?
--Of course, you____________.
| A．can | B．may | C．could | D．might |
Believe it or not. My grandpa , 95 years old now, ________World WarⅡ.
| A．went across | B．passed through | C．went through | D．went by |
The flowers his friends gave him will die if _______ every day.
| A．not watering | B．not watered | C．not to water | D．not being watered |
－What do you think we can do for our aged parents?
－You_______ do anything except to be with them and be yourself.
| A．don’t have to | B．oughtn’t to | C．mustn’t | D．can’t |
_________ the stomachache, he couldn’t fall asleep.
| A．Suffered from | B．Suffered | C．Suffering from | D．Suffering |
The manager of the company told us that very little _________ was made of the waste material in the past.
| A．cost | B．value | C．matter | D．use |