Mr. Smith would have come to see you if it had been possible, but he _______ so busy.[ ]A. was B. ha

题目简介

Mr. Smith would have come to see you if it had been possible, but he _______ so busy.[ ]A. was B. ha

题目详情

Mr. Smith would have come to see you if it had been possible, but he _______ so busy.

[     ]

A. was
B. had been
C. has been
D. were
题型:单选题难度:中档来源:北京月考题

答案

A

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