I could have helped him out, to tell the truth, I too busy.A. amB. wasC. have beenD. had

发布时间：2020-08-16 12:46:52

  I could have helped him out, to tell the truth, I      too busy.
A. am
B. was
C. have been
D. had been

网友回答

A. am
(答案→)B. was
C. have been
D. had been
解析：考查时态。句意：我本来能够帮助他，说实话，我太忙了。结合语境可知下文描述的是过去的状态，故用一般过去时态，选B。
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