Look over there—there’s a very long, winding path _________ to the house.
| A．leading | B．leads | C．led | D．to lead |
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 |
When I was a child, I ______ watch TV whenever I wanted to.
| A．should |
| B．could |
| C．must |
| D．need |
He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
| A．wouldn’t |
| B．shouldn’t |
| C．couldn’t |
| D．mustn’t |
--- You needn’t take an umbrella. It isn’t going to rain.
--- Well, I don’t know. Itdo.
| A．might |
| B．need |
| C．would |
| D．should |
If you smoke, please go outside.
| A．can |
| B．should |
| C．must |
| D．may |