After a series of food safety incidents, the government has ______ that not enough has been done to guarantee people green and healthy food.
| A．revised | B．recalled | C．recollected | D．reflected |
-You needn't take an umbrella. It isn't going to rain.
-Well, I don't know. It __________ do.
| A．might |
| B．need |
| C．would |
| D．should |
It __________ be the vocabulary that caused you the problem in the exercise because you know a lot of words.
| A．may |
| B．couldn't |
| C．should |
| D．needn't |
No one __________ be more generous; he has a heart of gold.
| A．could |
| B．must |
| C．dare |
| D．need |
-Why are your eyes so red? You __________ have slept well last night.
-Yeah, I stayed up late writing a report.
| A．can't |
| B．mustn't |
| C．needn't |
| D．won't |
Harry is feeling uncomfortable. He __________ too much at the party last night.
| A．could drink |
| B．should drink |
| C．would have drunk |
| D．must have drunk |