Look! There are some __________ on the floor.
A. child B. water C. boxes
—To make our city more beautiful, rubbish into the river.
—I agree.
| A．needn’t be thrown | B．mustn’t be thrown | C．can’t throw | D．may not throw |
—How long have you known the doctor ?
—he helped me three years ago.
| A．When | B．Before | C．Because | D．Since |
—Never touch my computer while I’m away．
—.
| A．I shouldn’t | B．I mustn’t | C．I won’t | D．I don’t |
—Do you know the man was talking to our English teacher?
—Yes. It’s Mr Baker, our maths teacher.
| A．he | B．which | C．whom | D．who |
— Linda，I am very thirsty.
—Let’s go to the nearest supermarket some drink, OK?
| A．buy | B．bought | C．to buy | D．buying |