题目内容
(请给出正确答案)
[单选题]
—Is Mary a doctor?—No,____.
A.He isn’t
B.it isn’t
C.she isn’t
D.I’m not.
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A.He isn’t
B.it isn’t
C.she isn’t
D.I’m not.
A、Mary and Mike's
B、Mary's and Mike's
C、Mary's and Mike
D、Mary and Mike
A.is Mary
B.Mary is
C.Mary are
D.Are Mary
A.efficiency
B.communication
C.standardize
D.patients