根据首字母或汉语提示，完成句中所缺单词。
小题1:He often (抱怨) about his low pay.
小题2:The headmaster is really angry! Look at his (吓人的)look.
小题3:If the goods are (毁坏)in the post, the post office should be responsible for it.
小题4:Nowadays, (贫穷)is still a major issue facing the government.
小题5:With all his (力气), the boy lifted the heavy box onto his shoulder.
小题6:F________ with great challenges, the Chinese government took powerful measures to deal with them.
小题7:The Hope P is designed to help the children from less-developed areas.
小题8:The p air and water can explain why the people here are getting ill one by one.
小题9:Please tell us one of your unforgettable e when you volunteered in the mountains.
小题10:She is hard-working and very a in class.
小题1:complains
小题2:frightening
小题3:destroyed
小题4:poverty
小题5:strength
小题6:Faced
小题7:Project
小题8:polluted
小题9:experiences
小题10:active
小题1:complains 考查动词辨析。句意：他经常抱怨自己工资低。Comeplain about抱怨某事。
小题2:frightening 考查形容词。句意：校长很生气，看到他吓人的表情。
小题3:destroyed 考查动词。句意：如果货物被破坏，邮局应对此负责。Be destroyed 被破坏。
小题4:poverty 考查名词。句意：现代社会，贫穷是一个政府所面临的最大问题。
小题5:strength 考查名词。句意：用尽他的全部力气，男孩把这个很重的箱子扛在肩上。
小题6:Faced 考查动词。句意：中国政府，面对挑战，采取强有力的措施来处理。Be faced with 面对。
小题7:Project 考查名词。句意：希望工程是用来帮助那些贫困地区的孩子的。
小题8:polluted 考查形容词。句意：被污染的水与空气就能解释人们为什么会一个接一个的生病。
小题9:experiences 考查名词。句意：请告诉我当你在大山中当志愿者时的经历。Experience当经历讲是可数名词。
小题10:active 考查形容词。句意：她在课堂上很努力也很积极。