—Which city has______population，Beijing，Guiyang or Xingyi?
—Beijing, of course.
| A．the largest | B．the smallest | C．the most | D．the least |
Look! There are many trees and flowers on sides of the streets.
A. all B. each C. both
_____he is very tired , _____he still goes on working.
A. Although, but
B. But, although
C. Although, /
—will you come back home, Danie? —In twenty minutes. I’ll hurry.
A. How soon
B. How often
C. How long
The question is so difficult that students can answer it.
A. few B. many C. most
---He can play basketball very well. --- .
A. So am I
B. So can I
C. So do I