（4）Why did the student ask"Do you know who I am?"twice?请问以下哪题正确1.He would play a joke on the professor.2.He wanted to fighten the professor.3.He was afraid that he would fail the exam.4.He had a plan in his mind.

Why did the people （why did the deer not hide in the trees?）（why did the deer not hide in the trees? Why did the baby ____________(停止哭泣）?（stop） why did you switch off the fridge?(同义句） Why did people choose the name Greenland why did the man change his job? （why did the deer stand in the sun?.（why did the deer stand in the sun?. why did she go to the bank同义句转换（ ）did she go to the bank ( ) I can not understand （ ）the boy alone?A why she left B why did she live C why she had leftD why had she left I couldn't understand（ ） the baby alone.A.why she left B.why did she leave C.why had she left D.why she had left why did the chicken cross the road?why did lions eat raw meat?脑筋急转弯 why did she fail the exam 等於why did not she pass the exam Why didn't he buy the ball?同义改写 （ ）did he buy the ball ( she did not know why （not to deal with） the difficult problem.选择题为嘛不选why (should deal with) Why did the techer ask Tom the question? 谜语：Why did the gum cross the road? Why did the turkey cross the road?的意思~ The reason （ ）he did not come is （ ） he was illA,that,why B,that ,that C,why,that D,why,which