在饭桌上，你让别人随便吃，应该怎么说：A. Help yourself. B. Let me show you. C. You’re welcome.
情景问答。
I can ________ a letter. A.writingB.writeC.writes
A:Do you want some ______? A. meatB. appleC. egg
I___ see.It's very dark. A.can B.can't C.do
I like ____ dumplings. A. China B. Chinese C.English
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