选用适当的词填空，请先解释下句子意思，然后分析填的内容
1.Earthenware has an advantage over wood in being more easily _______(keep) clean. 2.Perhaps he had followed her suggestion of a stroll ______(介词） the river.
1.陶瓷制品对于木制品的优势是更容易保持清洁。 keep earthenware clean 因此这里要用被动 Earthenware has an advantage over wood in being more easily _kept_(keep) clean. 2.也许他同从她的建议到河边溜达。 Perhaps he had followed her suggestion of a stroll _to_(介词） the river. 此处stroll为名词，当为动词时可用along
答：frontof/beside/behind2.同上 side/behind/infrontof4.同上5.on/under/详情>>
答：B 被动语态，be found to do. A中的made与found均为过去分词，冲突！详情>>
问：hArd work 和hArd--working有什么区别
答：一个是名词 一个是形容词撒详情>>
