Do you have lunch at school on weekdays， Scott？（　　）

A．aB．theC．/

Why do many people buy things online on Nov 11th？

Because there are so many sales， and the prices are ． （　　）

A．much lowerB．more cheap

C．more expensive

Mount Yangming is fantastic． you ever it？（　　）

A．Have； visitedB．Was； visiting

C．Do； visit

It is said that BRT（快速公交系统） in Yongzhou soon． （　　）

A．was usedB．will be used

C．is used

Must we finish the homework now？

Our teacher doesn't ask us to． （　　）

A．Yes， we mustB．No， we mustn't

C．No， we needn't