到底agreement 可数吗 agree with sb =be in agreement怎么还=have an agreement with sb呢?

问题描述:

到底agreement 可数吗 agree with sb =be in agreement怎么还=have an agreement with sb呢?
i have invite him ___my party
a,to
b,to join
我明白,我想知道b错在哪里、?难道加入party 不可以用join?party 是个团队啊,应该可以啊

1.agreement作为“同意/一致”时,是不可数名词,有固定短语in agreement with...“与...一致;同意...”;agreement作为“协定/协议/契约”时,是可数名词,have an agreement with sb意思是“与某人达成一个协定/协议/...take part in party ??