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 .
Helping others is helping ，so we should try our best to help those in need．（we）
Tu Youyou is one of the Nobel Prize in 2015．We're proud of her．（win）
John is not good at ，but he would like to have a try．（sing）
回想起过去的三年，我懂得了要想成功，就必须努力学习．
on the past three years， I have learned that if I want to succeed， I must study hard．
海洋塑料已随处可见．
Ocean plastic has everywhere．