选出错误的一项并改正。(4分)
The students arethe playground. A. on B. in C. behind
Liu Tao is playing the swing. A. inB. between C. on
How manyare there in your class? A. boy B. boys C. girl
Miss Chen is ______math teacher. A.a B. an C. the
--- Is she quiet? --- _______ A.Yes, she isn't. B. No, she is. C. No, she isn't.
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