一、单项选择1After climbing the hills in the natural park for hours, my legs _under me and I failed to keep pace with othersAgave out B gave up C gave in D gave away2The early pioneers had to_many hardships to settle on the new land.A. go into B. go along with C. go back on D. go through3 -Oh dear, why are you killing time this way? -I cant find anything worth _. A. of being done B. being done
