Whether by accident or ___________, he arrived too late to help us.
| A．purpose | B．aim | C．design | D．chance |
The engineers made two big plans for the dam, ____ was never put in force.
| A．one of them | B．which | C．one of which | D．every one of which |
——What do you think of the concert?
——I really enjoy it. I didn’t expect it was ____ wonderful.
| A．as | B．more | C．most | D．very |
——Tom, you are caught late again.
——Oh, ____.
| A．not at all | B．just my luck | C．never mind | D．that’s all right |
____ the temperature might drop, coal was prepared for warming.
| A．To consider | B．Considered | C．Considering | D．To be considered |
——We must thank you for taking the trouble to cook us a meal.
——____.
| A．With pleasure | B．It doesn’t matter | C．It was no trouble at all | D．By all means |