——Whoknockedatthedoor?
——I’venoidea.Ijustpretendednobodywasathome,soIdidn'taskwho_____was.
A、he—Wouldyoumindopeningthewindow?
—________.
——I’d like to invite you to a concert this evening.
——Thank you, but I’ll be free I’m not sure at the moment.
——What’s the matter with you?
——the window, my finger was cut unexpectedly.
Youhavemadeafewmistakesinyourcompositionbutyouhavedonewell.
While building a tunnel through the mountain,_________.
