B．根据课文内容在每个空白处填入一个恰当的词。 Two men walked slowly, one after another, through the shallow water of a stream. 61 they could see were stones and earth. The 62 ran cold over their feet. They had blanket packs 63 their backs. Suddenly, the man who followed over a stone. He hurt his foot badly and called: “Hey, Bill, I’ve hurt my foot.” Bill 65 straight on without looking back. The man was 66 in the empty land, but he was not lost. He knew the way to their camp, where he would find food and bullets. He struggled to his 67 and limped on. Bill would be waiting for him there, and 68 they would go south to the Hudson Bay Company. He had not eaten for days. Often he 69 to pick some small berries and put them into his 70. The berries were tasteless, and did not satisfy, but he knew he must eat them.