_______ how to do the homework, I went to ask my teacher for help.  
#97440
A
Not to know 
B
Not knowing
C
Knowing not 
D
Not known
推荐题目
 The Town Hall ______ in the 1800’s was the most distinguished building at that time.
#97897
A
to be completed
B
having been completed
C
completed
D
being completed
To succeed in a difficult task ,______________.
#97643
A
Persistence is needed
B
Persistence is what you need
C
One needs to be persistent
D
A persistent nature is needed
         surprise, the town was seized by them.
#96204
A
Looking in
B
Taken in
C
Taking by
D
Taken by
He devoted all the time _____ his research .
#92715
A
to do
B
doing
C
to doing
D
did