－Can you see ?
－No. Let’s go and have a look. Maybe we can help them.
A. what was happening there B. what are they doing there
C. what are they talking there D. what is happening there
—The accident was really terrible.
—Yes, it was. The young man on the bicycle was too .
A. careless B. careful C. carelessly D. carefully
—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
