To learn one or two foreign languages ------- (be) very impo

问题描述:

To learn one or two foreign languages _______ (be) very important nowadays.
1个回答 分类:英语 2014-10-29

问题解答:

我来补答
is,可能令你不确定的是one or two ,但事实上,是To learn one or two foreign languages 做主语,所以是is.
 
 
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