A: I’m not sure what Dr. Tyler wants us to
问题:
A: I’m not sure what Dr. Tyler wants us to do.
B:().
A. So you didn’t come to the class yesterday
B. I’ll make a call to him if you don’t mind.
C. Oh, you’d better guess it out by yourself.
D. If I were you, I’d write and ask Dr. Tyler to look at it.