He _____ play the piano now, but he _____ play it one year ago.[ ]A. couldn't; can B. can; coul

题目简介

He _____ play the piano now, but he _____ play it one year ago.[ ]A. couldn't; can B. can; coul

题目详情

He _____ play the piano now, but he _____ play it one year ago.
[     ]
A. couldn't; can
B. can; couldn't
C. can; could
D. could; can
题型:单选题难度:中档来源:同步题

答案

B

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