Where’sthelibrary?It’sthefirst-优题课

--Where’s the library?
--It’s____ the first floor.
A. in B. on C. at

科目英语题型选择题难度容易

知识点：介词的辨析

Is your father a teacher ____ .
A. Yes, he is B. Yes,she is C. No,she is not

____are you ? – I am OK.
A. How B. How old C. How many

There are _____book on the desk.
A. an B. the C. a

Is Mrs Smith strict?—.
A. Yes, he is. B. No, she’s kind. C. No, he’s kind.

—Do you often play on the weekend?—.
A. Yes, I am. B. No, I’m not. C. Yes, I do.