单项选择题

I am really thankful to you for all you have done for me.

A. helpful
B. useful
C. pitiful
D. grateful
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单项选择题
He always did well at school in spite of taking a part - time job.
A. despite
B. regardless of
C. on account of
D. in case of
单项选择题
Please put up your hands if you can answer this question.
A. raise
B. reach
C. wave
D. shake
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