We ( )the encyclopedia;the kids never look at it
A.didn't need to buy
B.needn't have bought
请问这里为什么不能选A啊?
It's a good thing tht they got her to hospital in time .Her condition was so critical that she ( )
A.shall have died B.could die
C.could have died D.should die
解释一下选择的原因~谢谢~!