1. They talked for about an hour of things and persons _____ they remembered in the school.
A. which B. that C. who D. whom
2. In the past five years China ________ great _________.
A. made, progress B. has made, progresses C. made, progresses D. has made, progress
3. In our town, wood can ___________ a fire.
A. be used to make B. be used to making C. use to make D. used to making
