1.Before the teacher comes in,you should ___ ___ (把……打扫干净) the classroom.1.Before the teacher comes in,you should ___ ___ (把……打扫干净) the classroom.2.I don't know which sweater ___ ___ (选择).
问题描述：
1.Before the teacher comes in,you should ___ ___ (把……打扫干净) the classroom.
1.Before the teacher comes in,you should ___ ___ (把……打扫干净) the classroom.
2.I don't know which sweater ___ ___ (选择).
答
clean up to choose
答
clean up
to choose
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