问题

You look puzzled at the news.— YesI just can’t imagine _____ he could have done such a thing

A:what
B:how
C:whether
D:Where

正确答案是：

同类题型

It’s neither aliens nor a rare disease ________ will threaten the human race in the future, but climate change.

The book _______ I found on my way home is my brother’s.

Father asked Anne_______________________.

Lincoln’s mother did what she can him.

raid there might have been an audience of about 100,000 watching his live concert in Bird Nest last night, ________