all of us should be very careful 为什么这句话中有be?
all of us should be very careful 为什么这句话中有be?
all of us should be fine
be very careful与 be careful有何区别
be careful of和be careful with有何区别?
knowing how valuable friendship is,we should be very careful
you should be careful.为什么要加be而不直接是you should careful.
Be careful of this dog which doesn't bark.这句话有错误吗?
1.you should be more careful _your study(of /for)选什么为什么
it is human nature that all of us should be fond of 如何翻译
One should always be careful of one's health.中one's可否用his代替,
be careful with,be careful of
这个句子we should be careful how much we eat of it.有疑问!