Why do you look so tired?I stayed(.)the whole night

Why do you look so tired?I stayed(.)the whole night -why do you always look so tired? I’m tired out．I stayed up the whole night,______ for my midt Do you know why he stayed up so late last night?To prepare f .—why,Jack,you look so tired! -Why do you look so tired?-There are so many problems___ 'you look so tired.'用'so do I.'还是'so am I.' why do you always look so tired?这是定语从句吗? Why do you look so tired?-----We have just returned from ___ Sandy,why do you look so excited?--I'll go to London for the Why do you look so happy?Much to my______,I passed the tesy. We stayed up the whole night=?