You won’t feel happy at school___________ you get on well with your classmates.
A. though B. unless C. because
Do you have any books ________space.
A. in B. to C. about
----______ is the library? ---- It’s near the post office?
A. What B. Where C. When
读一读，找出每组单词中不同类的一个
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-- _________ , Cindy!
-- Good afternoon, Grace!
| A．Good morning | B．Good afternoon |
| C．Good evening | D．Thank you |
别人帮助了你，你应该说“________”
| A．Hello! | B．Hi! |
| C．I' m fine. | D．Thank you. |