单项选择
9.--good morning, i'm jack brown, your new teacher.
there is no answer and what do you want us to do?
答:— These are the pictures we took during this trip. — _________ ! A、Oh, what beau...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>>