I never thought of it before, _______ all that my parents had done for me for granted.
#90545
A
taken
B
to take
C
taking
D
Took
推荐题目
Many things _____ impossible in the past are common today. 
#98285
A
considered
B
to consider
C
considering
D
being considered
He pretended _______ me when we met in the street.
#92570
A
not to know
B
not to be knowing
C
not having known
D
not knowing