单项选择题

（）, such problems concerning environment protection are not as easy to solve as they look.

A．Speak generally
B．To speak generally
C．Generally speaking
D．General speaking

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单项选择题
As a student in that famous school, Henry used to look hurt when（）

A．scolded
B．having scolded
C．to scold
D．scolding
单项选择题
Not only I but also David and Henry（）fond of playing basketball in the spare time.

A．am
B．is
C．are
D．was
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