.—You didn’t take the high-speed train with the leading letter "G" to Shanghai? —________. I still took the "D" train, which saved me more than 50 yuan.
---Where did you ________ our chemistry teacher? --- It was in the supermarket ________ I bought the moon cakes.
John is the only one of the students in our class that never ________ a mistake even when it is pointed out to him.
Only after leaving home ________ the true meaning of the proverb, “East or west, home is best.”
--- Why do you suggest Mount Lu? --- I believe________ beauty of nature there will make________ excellent impression on you.
-–Could you take my place and go to meet Smith? ---________. --- He is a tall man wearing short hair.