责任指的是( )①责任是一个人想做的事情②责任是一个人应当做的事情③法律要求我们必须做的事才是责任④责任是不应该做某些事情
A:①④
B:②③
C:①③
D:②④
- How many apples?
- Six apples.
There no computers in my time.
一 We'll have a quiz at the end of class.
一 Study harder, and we'll do better.