几道英语关于情态动词的题目

几道英语关于情态动词的题目
1：Could I call you by your first name?Yes,you_____.
A:will B:could C:may D:might
2:Is John coming by air?He should,but____not.He likes taking trains.
A:must B:can C:need D:may
3:Mr.Bush is on time for everything.How_____it be that he waslate for the important meeting?
A:can B:should C:may D:must
4:How_____you say that you really understand the whole story if you have covered only part of the article?
A:can B:must C:need D:may
5:You can't imagine that a well—behaved gentleman______be so rude to a lady.
A:might B:need C:should D:would