未知题型
--Nice day, ________?--Yes, it is.itB：isn't itC：what's itD：isn't that
B
未知题型 -Merry Christmas!-_____.hope soB：ReallyC：Thank youD：The same to you
未知题型 - Great party, isn't it?- _________
未知题型 -Could I borrow your car, please?-______________________
