1. There ____ some old black leather baskets in the corner of the dust-room
A. used to have B. was used to having C. used to be D. used to being
2. The government is trying to find different kinds of ways to keep the city ___.
A. live B. alive C. living D. lived
3. The population of Shanghai is ___________ of Shengzhen.
A. three times as large as B. three times as larger as those
C .three times as large as that D. three times size of that
