Not having worked out the problem, _____ leave the office．
| A．so he was not allowed to | B．and he didn’t want to |
| C．the teacher couldn’t make him | D．he couldn’t free himself to |
The old man watched the young boys playing _______ basketball with _______great interest .
| A． a ; a | B．the ; the |
| C．/ ; / | D．/ ;a |
China ________ the developing countries in the world .
| A．is belonged | B．is belonging to |
| C．is belonged to | D．belongs to |
We regret ______ that the film was not worth _________.
| A．to say; to see | B．to say; seeing |
| C．saying; to see | D．saying; seeing |
She thought I was talking about her daughter , _____, in fact , I was talking about my daughter .
| A．whom | B．where | C．which | D．while |
It was a pity that the great writer died _______ his works unfinished.
| A．for | B．with | C．from | D．of |