You needn’t take your shoes off when you enter someone’s house in Australia , _____ , of course , they’re very dirty .
| A．before | B．since | C．when | D．unless |
“Let’s go to the library, shall we?” “____”
| A．NO, I can't | B．Yes, I will | C．Yes, thank you | D．NO, we’d better not |
“Do you have to leave now? ” “I’m sorry, but I really ____.”
A. can’t B,have C.should D.must
He ___ be in the garden.He must be in the room.
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| A．can't | B．mustn’t | C．will not | D．may not |
He ___ at the meeting this morning.He was in hospital at the time.
| A．couldn’t have spoken | B．mustn’t have spoken | C．shouldn't have spoken |
| D．needn’t have spoken |
These pictures will show you ___.
| A．what does our village look like | B．what out village looks like |
| C．how does our village look like | D．how our village looks like |