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There are some _____ and two _____ in the room.
A. child, woman
B. children, woman
C. child, women
D. children, women
---What is John doing? ---He’s _____ the blackboard.
A. looking at
B. reading on
C. taking off
D. putting on
---What is the dog doing ? ---It’s running _____ the grass.
A. at
B. across
C. of
D. on
_____ the door please. It’s cold.
A. Shut
B. To shut
C. Open
D. To open