完成句子（每小题1.5分 共9分）
这些背包客别无选择，只好在午夜向警方求助。
These backpackers had                          ask the police for help at midnight
汤姆很难在学习和玩之间取得平衡。
Tom has                                   between study and play.
彼得在学习上取得了很大进步，他的父母都很开心。
Peter ___________________________that his parents were very happy.
年轻人应该经常向别人学习，而不是炫耀学问。
Young people should often _________________________________ the knowledge.
你的建议肯定是有价值的，非常值得采纳。
Your advice must __________________________________ taking.
我不知道这首歌让他想起了什么？
I didn’t know                                                .