----The population of Shanghai is ______ than that of Sichuan.
----Yes, the number of the population of Shanghai ______ 23 million.
| A．smaller; are | B．larger; is |
| C．less; are | D．large; is |
This listening material, together with its CD-ROMs, ______ well.
| A．sells | B．sell |
| C．is sold | D．are sold |
Lisa is a little poor at Chinese. I think she needs _____ it every day.
| A．practice to speak | B．to practice speaking |
| C．practice speaking | D．to practice to speak |
Of all the students in our class, she is ____.
| A．most careful | B．careful |
| C．more careful | D．the most careful |
----What’s the matter with you and your friend?
----She looks very busy. I want to help her, but I don’t know _____.
| A．how to do | B．what to do it |
| C．what to do | D．why to do |