It was _______accident. A. a B. an C./
情景对话。
--- _______ do you do your homework?—At 7:00. A. WhatB. When C. How
I live on ________ island . A. aB.anC.不填
______ do you like winter? Because the snow is beautiful. A.WhyB. WhichC. What
I like fall because the colours _____ pretty. A. areB. is C. Be
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