A : How can I help you?
B : I can’t_______the Internet in my room.
A : Please have a seat.
B : I would like to sit_______the window, thanks.
A : Is there anything fragile?
B : Yes, please_______my luggage as fragile, thanks.
Before the outcome of the test_______, he had_______butterflies in the stomach.
While_______how to deal with this problem, he is scratching his head.