用shall,should,will,would填空
1.____you open the door for me?
2.Why ____ he think like that?
3.I ____ like to make a suggestion.
4.The window ____ (not) open.
5.You may be certain that the agreement ____ be honoured.
6.You know it irritates the speaker when you interrupt;why ____ you do it?
给出答案的同时,请给我解释下为什么选这个,