【2012 呼和浩特】—______ I try on those shoes in the window?—______. They are just on show.
The synonym of the word “need” is ______.
I think the music is great, it is worth ______.
I didn’t go to bed ______ I finished all the homework last night.
Simon always feels sure about his own ability, he is so ______
The lights in the classroom are on, but ______ is in it.