---Is there anything wrong, Bob? You loo
问题:
---Is there anything wrong, Bob? You look sad.
---Oh, nothing much.In fact, I of my friends back home.
A.have just thought
B.was just thinking
C.would just think
D.will just be thinking
---Is there anything wrong, Bob? You look sad.
---Oh, nothing much.In fact, I of my friends back home.
A.have just thought
B.was just thinking
C.would just think
D.will just be thinking