Please excuse me _______ your letter by mistake.
To enjoy the scenery, Sara would spend long hours on the train ______ travel by air.
The audience ______ when they heard the humorous story.
— What about ______ lecture you attended yesterday? — To tell the truth, it was too boring.I can't stand ______ lecture like that.
-Do you have the time?-Sorry, I have no watch.-_____________.
“___________ the election is over,” said Powell, “the time has come for me to step down as secretary of state and return to private life.”