1. After the operation, Bill has been doing a lot of physical exercise to build up his _____.
A. ability B. strength C. energy D. mind
2. The chairwoman hated his_____, so she just stood at platform, _____ him.
A. cutting off; glancing at B. cutting down; staring at
C. cutting in ; glaring at D. cutting out; watching
3. In the forest____, who made no contact with the outside world.
A. living a couple B. were a couple living
C. did a couple live D. lived a couple