单项选择题

She is always ______ others with their studies.

A. helps
B. helping
C. to help
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单项选择题
This is the second year that I ______ in this college.
A. worked
B. have worked
C. have been working
单项选择题
I will tell her the good news as soon as I ______ her.
A. will see
B. see
C. saw
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