问题

— You look pale, what troubled you— I ______ my dead friend.

A:am thinking about
B:was thinking about
C:had thought about
D:will think about

正确答案是：

同类题型

I_____,Iwouldtryagain.

________ these messages always seem important at the time, most people can’t really remember them the next day.

Tony, _____ his father, _____ playing football.

You will be able to meet the famous writer if you to the book store tomorrow.

In my opinion, he is ______ to attend the important meeting tomorrow.