英语造句，根据题意造句。

1.单数主语:A boy is coming towards us.单个动词不定式、动名词短语及句子做主语:To see is to believe.Seeing is believing.That he won the race is true.2. 复数主语:The students have finished their homework.用AND或BOTH"""AND连接的动词不定式短语、动词短语及主语从句做主语:Both listeni...