--I hear Mr. Black is ill in hospital again.
---What a poor man! I can’t help but _____ sorry for him.
| A．feel | B．to feel | C．felt | D．feeling |
Despite the previous rounds of talks, no agreement______ so far by the two sides.
| A．has been reached | B．was reached |
| C．will reach | D．will have reached |
______ for two days, Steve managed to finish his report on schedule.
| A．To work | B．Worked |
| C．To be working | D．Having worked |
I ______ have worried before I came to the new school, for my classmates here are very friendly to me.
| A．mightn’t | B．mustn’t |
| C．needn’t | D．couldn’t |
Jane can’t attend the meeting at 3 o’clock this afternoon because she ______ a class at that time.
| A．will teach | B．would teach |
| C．has taught | D．will be teaching |
______in painting, John didn’t notice evening approaching.
| A．To absorb | B．To be absorbed |
| C．Absorbed | D．Absorbing |