The students worked in groups to ________ the difficult problem in the math class.
| A． |
work out |
B． |
turn down |
C． |
cut off |
D． |
worry about |
— Dad, why must I stop_____ computer games?
—For your health, my boy.
| A．play | B．to play |
| C．to playing | D．playing |
—Cathy, could you come to our art club tomorrow?
—________________.
| A．I’m sorry to hear that | B．Sure, I’d love to |
| C．Never mind | D．You’re welcome |
There are about ______ students in your school.
| A．two thousands | B．two thousand |
| C．thousands | D．two thousand of |
To my_____, he has such a haircut today.
| A．surprise | B．surprises |
| C．to surprising | D．to surprise |
Though he studies very hard, ______ his English is not good.
| A．but | B．and | C．/ | D．so |