Before a problem can be solved, it must be obvious ________the problem itself is.(2011·湖南)
We allow in the woods but anyone is forbidden here.
He kept yawning in class this morning. That is _____ he stayed up late doing his homework last night.
Lucy is looking for a job ____ can offer her a good salary and ____she can also communicate with a large number of foreigners
I told them not everybody could run as fast as you did, _____?
Some passengers were ______ in the traffic accident and taken to the nearest hospital.