问题
You were not listening；what troubled you?—I my coming math exam
A:am thinking about
B:was thinking about
C:had thought about
D:will think about
B:was thinking about
C:had thought about
D:will think about
正确答案是：
同类题型
All of the following are the themes of The Call of the Wild, EXCEPT _____.
Is _______ your photo–Yes, it _______.
________ knowledge can be acquired from books，skills must be learned through practice.[ ]
Our Chinese teacher didn’t go to bed ______ he finished his work last night.
－It’s a good idea. But who is going to ____ the plan? －I think Tom and Greg will.