情态动词 can、could 等常出现在假设句中，表示说话人的能力或事情发生的可能性等。本期《英语小测验》考考大家对在不同语境中情态动词用法的掌握。

1. After working so many long shifts I was so tired I ________ for a week.

a) could sleep

b) can sleep

c) could have slept

d) am able to sleep

2. I'm famished! I feel like I ________ a horse.

a) could eat

b) could ride

c) could run like

d) could be

3. She got lost on holiday last year and despite not knowing the city well, she ________ find her way home.

a) can

b) could

c) was able to

d) could have

4. Even though he was a much more experienced player than me, I ________ beat him at snooker.

a) managed to

b) can

c) am able to

d) could

5. Why did you check into a hotel last week? You ________ with me.

a) are able to stay

b) can stay

c) could stay

d) could have stayed

6. Smoking ________ in the courtyard but not allowed inside any buildings.

a) you can

b) be able to

c) is permitted

d) allowed

答案

1) c, 2) a, 3) c, 4) a, 5) d, 6) c.