当遇到同学、朋友、长辈等，需要打招呼时，你应该说：A.Goodbye！ B.What's your name？ C.Hello！
Wehaving an English lesson. A. /B. areC. can
Let's read. A. bookB. a bookC. the book
—Happy birthday! —. A. Excuse meB. No，I'm not happyC. Thank you
—I come in? —Come in，please. A. DoB. AmC. May
Look atsun. It's big and red. A. aB. theC. /
having an English lesson.
.
.
I come in?
sun. It's big and red.
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