单项选择题

As we know, physics ______ the science of energy.（）

A. was
B. were
C. is
D. are

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单项选择题

I remember______ him once when I was staying with my aunt.（）

A. to see
B. seeing
C. see
D. saw

单项选择题

All the students went to the magic show yesterday. It was really （）

A. amusingly
B. amuse
C. amusing
D. amused

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