The poor child stood there, and ________ what to do, turned to his father for help.   
#11627
A
not knowing
B
not knew
C
not to know
D
not know
推荐题目
My mother has always _______ we eat every healthily.
#11642
A
make sure
B
made sure
C
be sure
D
sure
I noticed her beauty and honesty _______ I met her.
#14390
A
first time
B
for the first time
C
the first time
D
by the first time
There are not enough seats for the guests. We need _____ chairs.
#14482
A
three other
B
another three
C
more three
D
other three