_____ at the door before you come into the room.
#94211
A
Hit
B
Knock
C
Touch
D
Strike
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I recognized her ______ I saw her.
#92634
A
for the moment
B
the moment
C
at the moment
D
before
 _________ he was, he still went on with his work.
#93737
A
Tired although
B
Tiring as
C
Tired though
D
While tired