1 . After Dr. Bethune's death, Chairman Mao Zedong wrote an article in memory of him, ________ he praised Dr. Bethune as a hero to be remembered in China. （用适当的词填空）

2 . It was a big deal for us to load up and go to the local library, __________my kids could pick out books to read or books they wanted me to read to them. (用适当的词填空)

3 . Very few parents are agitating (倡导) for computer instruction in poor school districts, _________there may be barely enough money to pay the teacher. (用适当的词填空)

4 . I put my arm across his shoulders ____steered him to the sofa, ____he collapsed. (用适当的词填空)