Question

—What do you think of Changqing?  
—I think it’s becoming _______ than before.

A．clean

B．cleaner

C．cleanest

D．the cleanest

Answer 1

B

试题分析：句意：——你认为长庆怎么样？——我认为它变得比以前干净了。A. clean   干净的；B. cleaner 更干净的；C. cleanest最干净的；D. the cleanest 最干净的。根据介词than可知此处用形容词的比较级cleaner，
故选B。