Thank you for the trouble that you had ________me with my studies.A．helpedB．to h_刷题宝

题干

Thank you for the trouble that you had ________me with my studies.

A．helped

B．to help

C．helping

D．helps

上一题下一题 0.64难度单项选择更新时间:2014-06-27 01:28:09

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