Jack almost fell off the cliff, but managed to _____ until help came.
A. keep on B. catch on C. count on D. hang on
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
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。