------Is this ruler Mary’s?
------No, it _______Mary’s. Hers is on the desk..
| A．can be | B．can’t be | C．must be | D．mustn’t be |
Many students ______ changes to show themselves in class because the class size is too big.
| A．don't give | B．aren't given | C．haven't given | D．won't give |
--Mr. Li will check our homework this afternoon. ______ you _______ it?
--Not yet. I'm doing it right now.
| A．Do, finish | B．Had, finished | C．will, finish | D．Have, finished |
There will be _______ jobs for people because some robots will do the same jobs as people.
| A．many | B．more | C．fewer | D．fewest |
-- Why don't you join us for breakfast? -- Sure! ______
| A．Good luck! | B．Congratulations! | C．What to do? | D．Why not? |
--Hi, John. ______ ?
--It's Lucy, my dog. Her leg is hurt.
| A．How are you | B．What's the matter | C．Who's that | D．What's Lucy like |