1)
Nature,______gives supplies of foodto every creaure,is great.
A.who B.that C.whose D.it 答案A,
2)
I work in a business______almost everyone is waiting for a great chance.
A.how B.which C.where D.that 答案C,我记得固定几个词必须用where,好像还有situation?
3)I intended to compare notes with a friend,but unfortunately_______couldn't spare me even one minute.
A.they B.one C.who D.it 答案A,a friend不是一个人么?
--------------------------------------
要求详解,谢谢,