【简答题】Fill in the following blanks with "resource(s)" or "source(s)" as you see fit. The travelers walked upstream until they reached the ________ of the river.
【简答题】用括号内所给的提示完成句子。 1. Having walked for about two hours, the group of travelers stopped to have lunch ___ ___ ___ ___ the woods. (在 ……的边缘) 2. Her fans look forward to her newest album ____ ______ in wint...