来源：学生作业帮 编辑：搜搜考试网作业帮 分类：英语作业 时间：2024/05/29 06:26:00
请问句中的be动词为什么要用原型?
Within weeks Matthews was letting it be known that he would appreciate aninvitation to meet the Prime Minister at Downing Street.
句中的letting be known that为什么要用be动词原型,还有appreciate 在句中是什么呢意思?
let sb.do sth..
欣赏,感激.
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