-Thee is a cowd of people in font of the house ove thee?

-Thee is a cowd of people in font of the house ove thee?
-What do you suppose____thee?
A.has happened B.happening C.happens D.is happened
suppose不是只有suppose sb to do和be supposed to do和suppose to be done么
貌似没有这四个选项里阿
应该哪个?
-Three is a crowd of people in font of the house ove three?
-What do you suppose____three?
A.has happened B.happening C.happens D.is happened