______ he met with the difficulty did he realize the importance of our help.
The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase________.
If you're buying today's paper from the stand, could you get ________ for me?
At our factory there are a few machines similar to ________ described in this magazine.
The traffic on the main streets has a longer green signal than ________ on the small ones.
What would have happened ________,as far as up to the river bank.