【广州市2015年初中毕业生学业考试英语】The stories ______ were written by Mark Twain are often humorous.
He didn’t __________ the singing competition.
―_______ did he _______ hiccupping? ―He started hiccupping in 1922.
— _____________? —I’m sorry, I’m busy cooking. Do it yourself.
—Could you please take out the trash? —_________________.
-_____ are you going to be a math teacher? -I must study hard at math from now on.