帮我解答几道英语的语法题目,.
1.people could not help( )the foolish emperor in the procession.
A.laugh at B.to laugh at C.laughting at D.laughing on
2.There was terrible noise ( )the sudden burst of light.
A.followed B.following C.to be followed D.being followed
3."cant not you read?"Mary said ( )to the notice.
A.angrily pointing B.and point angrily C.angrily pointed D.and angrily pointing
4.L must apologize for( )ahead of time .----That is all right.
A.letting you not know B.not letting you know C.letting you know not D.letting not you know
5.You were brave enough to raise objections at the meeting.----Well,now l regret( )that.
A.to do B.to be doing C.to have done D.having done
6.Although punctrual himself ,the professor was quite used ( )late for his lecture.
A.to have students B.for students to be
C.for students' being
D.to students' being