问题

So confused ______ that he didn’t know how to start his lecture.[ ]

A: since he became
B: would he become
C:ame
D: did he become

正确答案是：

同类题型

________ in his work, Tom simply forgot food and sleep.

You_______ play with fire, Tom. It’s dangerous.

I usually take something to read when I travel by train _____I feel bored

________________ —Yes, I do.

Many experts hold the view ____ teachers’ development is _____the key to better education lies.