We all know that Suzhou is one of _______ in the world.

Were you at home at 9:00 pm yesterday— Yes, I for a call from Paris at that time.

Ten years ago the population of our village was _______ that of theirs

Hi, Tom, why do you look so tired—Because I ______ last night to finish my homework.

The performance of this reasonably priced digital camera is _____ in quality to that of more expensive ones.