单项选择题

Susan（）in doing the experiment again though she had failed many times.

A. resisted
B. insisted
C. assisted
D. persisted

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单项选择题
She wanted to go swimming（）.

A. and so her brother did
B. and so did her brother
C. and too her brother
D. and did her brother too
单项选择题
She is the only one of those girls who（）willing to do that voluntary job.

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