问题

So absorbed ________ in the research that she didn’t hear someone knocking at the door.

A:she did
B:did she
C:she was
D:was she

正确答案是：

同类题型

I think I’m going to take a bus to thezoo.—–____________________

We’ll study in different schools next term. Enjoy your time in the new school!—

What’s the noise? —Oh, I forget to tell youThe new machine

The director asked me to finish this task by Sunday. How can I to

Can you tell me _____ so many boxesof salt— In “Legou Supermarket”