---Do you think he will do me a favor?
---As far as I know, he is the last one to help others. He _______ be prepared to give you a hand, though.
| A．might | B．must |
| C．can | D．should |
Only when he put his foot into the river________that the water was too cold to swim in.
| A．he realized | B．did he realize |
| C．had he realized | D．he had realized |
Hardly________of the room when it began to rain.
| A．he had gone out | B．was he about to go out |
| C．had he gone out | D．he was about to go out |
He may be________of playing his radio too loudly by law，especially when it is time for sleeping.
| A．defended | B．accused |
| C．reminded | D．informed |
I have ever found such a case________the son refused to support his mother when she became too old to feed herself.
| A．that | B．where | C．when | D．which |
We didn’t feel surprised when we found he fixed his eyes on the food with a(n)________expression on his face，for we knew that he hadn’t eaten anything for 3 days.
| A．anxious | B．worried | C．eager | D．curious |