---Our country ________ very fast.---Yes. I hope it will be ________.A.has changed; better and betterB.is changed; better and betterC.is changing; stronger and strongerD.has changed; more and more strong
网友回答
C解析句意为“我们国家变化很快”。并且考了两个比较级的叠用。根据句意应为stronger and stronger，故选C。