We’d better not keep the lights______ when we have PE classes outside.
#48235
A
off
B
on
C
open
D
closed
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_____ end of May, we will finish _____lessons. 
#47284
A
At the; to learn
B
At; learning
C
At the; learning
D
At; to learn
He usually      during the day and gets up       night.
#48915
A
relaxes, to
B
sleeps, in
C
relaxes, in
D
sleeps, at