Under the environment of fierce competition, the only way John could imagine _______ stress was to get tougher by making greater efforts.
—Can I pay by credit card? —Yes, _________.
There was only one ____ of transportation in this mountainous area five years ago.
He ____ the explosion, but no one else did. How lucky he was!
____ they did not believe him, what would they do then?
John shut everybody out of the kitchen ____ he could prepare his grand surprise for the party.