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The teacher's office is dark now. Our English teacher ________ be in his office.

[  ]

A.mustn't
B.must
C.can
D.can't
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科目:初中英语 来源:外研社七年级英语(上)练习题 题型:016

My mother is a teache in ________ university.

[  ]
A.

a

B.

an

C.

the

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