新概念英語第四冊(cè)課后習(xí)題及答案Lesson 3

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Lesson 3
    5 earlier climbers liked summits ____c__ had never been climbed before.
    A which b which they c that they d unless they
    6 _____d_ single aim was getting to the to
    A they're b there c their d their
    7 ___a___ Zermatt and Chamonix,most places were unknown.
    A except b unless c without d apart from
    8 ____b__ were generally dirty and flea-ridden.
    A the few inns that existed b inns like thi
    C such inns d few i