2. Look ! __________ children__________ playing on the playground.
A. The number of,are
B. the number of,is
C. a number of,are
D. a number,is
第1题:
14.
A. do homework
B. runs
C.watch TV
D.playing
第2题:
A、play
B、to play
C、to be played
D、playing
第3题:
28____.
A.food
B.rest
C.studying
D.playing
第4题:
Teachers warn students that () to computer games is dangerous.
A、liking
B、addiction
C、preference
D、playing
第5题:
The missing boys were last seen () near the river.
A、to play
B、play
C、to be playing
D、playing
第6题:
24、如果Number=7,下列命题为真。 If Number = 7, point out the truth or false of the following expressions. Sqrt(Number*Number ) == Int(Sqrt(Number*Number))