题目内容
( )4. You can keep in touch ______ your friends_____ e-mail.
A.with ;with
B.with; by
C.by; by
D.by ;with
B
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题目内容
( )4. You can keep in touch ______ your friends_____ e-mail.
A.with ;with
B.with; by
C.by; by
D.by ;with
B