英语题where and when to go _(not decide)yet.maybe we need to have an_英语解答

英语题where and when to go _(not decide)yet.maybe we need to have another discussin
能用haven't decided吗还有能说明原因吗

人气：372 ℃　时间：2019-11-04 19:59:56

解答

不能,应该用hasn't been decided
因为这里涉及到一个谓语动词的单复数形式,因为“where and when to go ”表示一个单数概念 ,而且表示被动