填空题

The dean made a proposal that all students (make) ______ a social investigation on Summer Vacation.

【参考答案】

(should)make
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填空题
Although he is young and (experience) ______ , he has done well.
单项选择题
A．Tuesday.B．Thursday.C．Wednesday.D．Friday.
A．Tuesday.
B．Thursday.
C．Wednesday.
D．Friday.
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