When the little boy saw his mother, he _______  very excited.
#61654
A
were
B
got
C
becomes
D
feels
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 When the old man saw some litter on the ground, he quickly          .
#62853
A
picked it up
B
picked up it
C
picked them up
D
picked up them.
They were _______ busy ______ the project ______ the time.
#53903
A
too; to discuss; to forget
B
too; discussing; to forget
C
so; to discuss; that they forgot
D
so; discussing; that they forgot
Please __________ the light when you leave the classroom. 
#57689
A
turn on
B
turn up
C
turn off
D
turn down