( )21. The population of Shanghai is ___ than that of Guiyang.
A. smaller B. larger C. less D. large
( )22. Mr Li knows little English. ___ he can’t understand the instructions on the bottle of the pills.
A. so B. or C. but D. for
( )23. Cotton ___ nice and soft.
A. is felt B. is feeling C. feel D. feels
