题目内容

Jack almost fell off the cliff, but managed to _____ until help came.

   A. keep on   B. catch on  C. count on    D. hang on

D


解析:

 本题译文:杰克差点从悬崖上掉下来,但得以抓住不放直到得救。hang on(=hold fast, keep hold)牢牢抓住,抓紧不放:Help! I can't hang on much longer.(救命啊!我支持不住啦。)keep on(doing sth.)继续(做......);catch on 理解;count on 指望,依赖。

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