So sudden ______ that the enemy had no time to escape.
A driver should __________ the road when __________.
The new suspension bridge __________ by the end of last month.
Finally, Tom __________ a good solution to that tough matter.
Although English may not lead directly to a great career, it will certainly give you __________ to a wider range of opportunities.
The insect __________ a powerful drug which affects mosquitoes.