You can think of many cases Chinese students obviously know a lot of English words and expressions but can’t express themselves freely.
In the new century, we still should _____ primary importance to the development of economy.
I remember _____ this used to be a quiet village.
---I drove to Shanghai for the 2010 Expo last week. --- Is that_____ you had a few days off?
---I’m _____ too much weight, doctor. --- You’d better take more exercise.
I couldn’t find my wallet for ages, but then one day it _____ in a jacket pocket.