— Did you visit the museum today?
— No. We ______ it, but we spent too much time shopping.
| A．could have visited | B．must have visited |
| C．may have visited | D．couldn’t have visited |
【原创】He has ____ hundreds of his paintings to the government.
| A．ascribed |
| B．donated |
| C．attributed |
| D．designed |
【原创】Many scientists are still____about the value of the program.
| A．skeptical | B．stationary |
| C．spacious | D．specific |
【原创】When his friends heard my story, they _____ laughing.
| A．couldn't help |
| B．couldn't but |
| C．could help |
| D．just had to |
【原创】I owe you a(n) _____ for what I said this morning. Anyway, I meant no offence.
| A．apology |
| B．thanks |
| C．apologise |
| D．sorry |
【原创】The villagers usually get _____ by the hour when they work for the boss.
| A．pay | B．to pay |
| C．paid | D．paying |