14.We've turned our dreams into realities at last.Thank you.We know we ------it without your help.
我们最终把梦想变成了现实.我们知道,如果没有你的帮助我们不可能做到.
A.couldn't B.couldn't have done此处是对过去的推测,本不能
C.shouldn't have done 本不该D.hadn't done过去没做
15.We do walks all over the Taihang Mountains to some of the least known places,-------the best bird habitats,such as Zanhuang,Pingshan,etc.
我们徒步游览了太行山的一些鲜为人知的地方,除了最好看的鸟类的栖息地,比如.
A.and B.so C.but除了 D.fo