单项选择题

A．A half hour.
B．15 minutes.
C．20 minutes.
D．An hour and a half.
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单项选择题
A．It’s fine as it is.B．Only a few changes should be made in it.C．Major revisions am needed in it.D．It won’t be approved by the supervisor.
A．It’s fine as it is.
B．Only a few changes should be made in it.
C．Major revisions am needed in it.
D．It won’t be approved by the supervisor.
单项选择题
A．The man’s mother.B．They take him with them.C．The woman’s motherD．A baby-sitter.
A．The man’s mother.
B．They take him with them.
C．The woman’s mother
D．A baby-sitter.
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