_________ the road round to the right, the blind man asked a boy to guide him.
So many uses have been discovered for this wood ____ the supply of white pine is becoming smaller and smaller.
The truth, Sir, is that the old man____ across the street when my car hit him.
---Where will you start your work after graduation?---Mmm, it's not been decided yet. I ____ continue my study for a higher degree.
I wrote to my parents once a week,____ I was too busy with my teaching work.
However, at times this balance in nature is disturbed, ____ a number of possibly unforeseen effects.