—Liu Xuan, did you see the Denmark’s famed “Little Mermaid” sculpture in Shanghai Expo?—No, I didn’t. I _______ it twice in Denmark.
-That must have been a long trip. -Yeah, it __________ us a whole week to get there.
-Why didn't you remind him of the possible danger? -But what __________? He never listens to me.
-How did you like the concert last night? -I enjoyed it very much, but the dancers __________ a better job.
He made good preparation for the exam. Otherwise, he __________ such rapid progress.
You __________ the day off from work, which created a burden for everyone else.