英语单选10..需要详解.谢谢
( )31 There__________a lot of coal mines in the south, but many of them have been closed or are________be closed. A. use to having; about to B. used to be; to C. use to having; going to D. used to be; supposed to
used to do过去常常,There used to be过去有... be to do将来时,表示将要关闭。
选D, A、C语法错误,没有这样的搭配; B项没有语法错误,但显然与题意不符; 全句的意思:南部曾经有很多的煤矿,但大部分全被关闭或者即将关闭
答:zhe shi san zhong xing shi de yong fa ,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>>