问题

Mike, it’s a pity you didn’t come to last night’s concert. Itwas really great! -Really? If I _____ so busy, I would have gone with you. [ ]

A: hadn't been
B: weren't
C: shouldn't be
D: wouldn't be

正确答案是：

同类题型

There is ____________ quality in the students’ability , which demands different teaching methods. [ ]

Bob, don’t be so ____. Sam doesn’t meant to hurt you. —Oh, really?

Why did you stop writing? — I _____ my writing paper.

_______no doubt that a green campus plays an important role in the growth of students, both physically and mentally

It ___Mr. Li three hours to finish his work yesterday .