David is ________ animal fur, so he won't visit anyone who has cats or dogs in the house.
| A．curious about | B．allergic to |
| C．satisfied with | D．fond of |
You _________ pay too much attention to your reading skill, as it is so important.
| A．cannot | B．shouldn’t | C．mustn’t | D．needn’t |
You _________ be right, but I don’t think you are.
| A．can | B．could | C．must | D．should |
“Do you think he is lazy?” “I _________ so once, but I don’t now.”
| A．may have thought | B．can have thought | C．may think | D．might think |
| A．may not be | B．won’t be | C．couldn’t be | D．mustn’t be |
Mike is often absent from class.” “Tell him he _________ answer for it if he goes on behaving like that.”
| A．shall | B．will | C．would | D．can |