单项选择题

Though eight years have passed, I still remember（）to Mr. Ma during my visit there.

A. introducing
B. being introduced
C. to be introduced
D. introduced

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单项选择题
His mother asks him to do morning exercises, but he is not used to（）early in the morning.

A. get up
B. getting up
C. be gotten up
D. being gotten up
单项选择题
She is（）far the most active member in our group.

A. so
B. as
C. by
D. in
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