Weshould do all ____ is useful to people.
A:
B: that
C: it
D: which
                    A:
B: that
C: it
D: which
举一反三
- Weshould do all ____ is useful to people. A: A. / B: B. that C: C. it D: D. which
 - Why do most Americans like dogs better? A: Because dogs leave people alone. B: Because dogs like to be with people. C: Because dogs are willing to do things for people. D: Because all dogs, including wild dogs, are friendly.
 - What can be concluded from the passage A: Old people are as intelligent as young people. B: People do not make discoveries when old. C: Only people between 25 and 30 are creative. D: People can be creative at all ages but young people are better.
 - ____ they could do was to work hard. A: All B: All what C: All which D: That
 - In England football is a game enjoyed A: only by young people. B: only by rich people. C: only by boys. D: by people of all ages and classes.
 
