摘要： D hang on(=hold fast, keep hold)牢牢抓住.抓紧不放; keep on继续,catch on 理解,count on 指望.依赖.
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Major spending is required to ______ fundamental improvements in housing.
A. set about B. get through C. bring about D. hang on
查看习题详情和答案>>I called you up last night but I couldn’t _____________.
A. get through B. ring back C. ring off D. hang on
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Jack almost fell off the cliff, but managed to _____ until help came.
A. keep on B. catch on C. count on D. hang on
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