请帮我做几道英语关于动词的选择题,并做简要分析.
1.I saw the train( )the station.
A.come into B.to come into C.came into D.to came into
2.The first thing I want to do is( )
A.visit to him B.to eat C.ate D.eat
3.He asked us ( ) it again.
A.to do B.do C.doing D.did