—Nowadays children have more freedom.
—I agree. They ________ do what they like.
| A．need | B．must |
| C．should | D．can |
I _____ to him for what I said.
| A．excused | B．apologized | C．pardoned | D．explained |
_____ at the door before you come into the room.
| A．Hit | B．Knock | C．Touch | D．Strike |
I’ve _____ my things at home.
| A．forget | B．forgotten | C．left | D．lost |
The city’s underground _____ more people than the buses.
| A．brings | B．sends | C．fetches | D．carries |
A kind of glass dish that _____ heat is useful.
| A．resists | B．rejects | C．defends | D．keeps |