试题 试卷
题型：语法填空（单句） 题类： 难易度：普通
人教版八年级上册Unit 1 Where did you go on vacation Section A预习
— OK. I don't _______.
—Because I can't solve the problem. I'm afraid I can't pass the exam.
—I have to hand in the report tomorrow, but I can't anything to write.
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