题目内容
1.The notebooks__________ (be) on the teacher’s desk.
2.—Where are my keys, Mom?
—I__________(do not) know.
3.The baseball__________(be not) on the sofa. It’s under your bed.
4.Bob’s and his sister’s___________(room) are very nice.
5.—Are the pencils in the pencil box?
一Yes,_________(it) are.
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