Our plan is to keep the affair secret.这个句子是主系表结构吗?如果是主系表结构,is是系动词,to keep the affair secret是表语还是keep the affair secret是表语?

our plan is sure to ---(success) Our plan is to keep the affair secret.这个句子是主系表结构吗?如果是主系表结构,is是系动词,to keep the affair secret是表语还是keep the affair secret是表语? Here is a plan to our school哪里错了 How important a thing it is to keep our promise! It is our duty to keep the classroom c--------. There is a plan to his plan. It is our duty to keep our school clean keep 后不是接动名词吗为什么是clean To keep our school clean is our dury.这句话如何翻译呢? It is our duty to keep our e___ clean and tidy to keep our school clean is our duyt 的同义句 Our plan is to walk in the country(改为同义句) Our plan ____ Beijing in the summer holidays.is to visit .为什么 ,不是很理解, I plan to watch Day of Our It's on duty to keep our classroom clean 改为同义句_______ ________ our classroom clean is our duty. our plan is not the same as yours.同义句转换 our plan is ___ ___yours. Our plan is to walk in the countyside,so you need to wear cXXXX shoes cXX 填什么 Our goal is to keep ____(live) the ancient Chinese culture.应该怎么填? 翻译为汉语Is there no way to keep this part as our first design?