Some comedians feel like telling jokes __________ the reaction of the audience.
—How many practical plans has your deskmate made this week?— . All have turned out disappointing.
If you leave the club, you will not be ________back in.
Mr. Alexander doesn’t just write for fun; ______, writing is his bread and butter.
I don’t believe that he will marry Kathy whom he doesn’t love at all,________?
Rather than ________ on a crowded bus,he always prefers ________ a bicycle.