When you want to go into the room，you should________ the door．
A．knock on B．knocking on
C．knocks on D．to knock on
There are some boys _______ computer games there.21世纪教育网版权所有
A. are playing B. play C. playing D. to play
100 yuan ______enough for me.
A. are B. be C. is D. has
The price of the computer is not _____ but cars are very _________.
A. high; expensive B. expensive; high
C. high;high D. expensive;expensive
The walkman is _______ and I have ______ to buy it.21教育名师原创作品
A. enough cheap; enough money
B. cheap enough; money enough
C. cheap enough; enough money
D. enough cheap; enough money
The cartoon is really _________, so most of the children are ________ in it.
A. interesting; interesting
B. interested; interested
C. interesting; interested
D. interested; interesting
