It is important for us to know how _______ requests politely.为什么填_英语解答

It is important for us to know how _______ requests politely.为什么填to make
It is important for us to know how _______ requests politely.为什么填to make而不填making，to make 在句子中是什么成分呢，

人气：347 ℃　时间：2020-02-03 11:29:14

解答

在英语中,‘特殊疑问词(why除外)+to do’结构能够起到名词的作用,在句中可作主语、宾语、表语等,比如：When to leave has not been decided.何时离开还没有决定.when to leave 就在句中做主语；We must think what t...