. I called her twice, but no answer. She _______ (be) ...

. I called her twice, but no answer. She _______ (be) busy.

A. must have been

B. could be

C. might be

D. should be

Select your answer:

Other quiz:

Grammar › View

Can you open the door, please?

A. Yes, I can.

B. yes, you can.

C. yes, they can

D. No, you can’t

Grammar › View

The whole crowd was _________ for the star.

A. Clapping

B. Claping

C. Klapping

D. Klaping