Mr. Smith is always on time for everything. How ________ it be that he was late for the flight?
I'll ___ the matter as soon as possible. Just have a little patience.
The prisoner had little difficulty in ___ from the police.
I don't know this part of the countryside well, so we’d better ___ the path.
The news soon ____ its way throughout the country.
Now even the middle school students go abroad for study ___.