Some ____ are coming out of the building.
A. child
B. children
C. childs
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This is the school _____.
A. builds
B. build
C. building
The boys are ____ a good time.
A. having
B. have
C. asking
D. take
Some girls are ____ games under a big tree.
A. to play
B. taking
C. play with
D. playing
Some boys and girls are running ____ the hill.(跑上山)
A. up
B. with
C. to
D. over