Most students have little difficulty ________ college life.
| A．to adapt | B．adapting | C．adapting to | D．adapted to |
Great changes_____ in the small city in the last 20 years.
| A．have taken place | B．took place | C．had taken place | D．are happening |
When the thief found the police had already _____him, he ran away quickly.
| A．realized | B．known | C．spotted | D．stared |
Tom’s father didn’t _____him to join the school football team.
| A．let | B．promise | C．hope | D．permit |
---I didn’t go to work today.
----You _____; it’s Sunday today.
| A．mustn’t have | B．didn’t need to | C．can’t have | D．needn’t have |
You’ll succeed _____because you are always working hard.
| A．on time | B．in time | C．at times | D．at the time |