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A.101/100
B.101/200
C.101/300
D.201/400
参考答案:B
解析:
I can't leave.She told me that I ________ stay here until she comes back.
A.can
B.must
C.will
D.may
A.平面镜
B.凹透镜
C.凸透镜
D.三棱镜