问题
How amazing it is that Zuckberg can speak Chinese! After all, it is a big_____ for any westerner to learn such a totally different language.
A:adventure
B:achievement
C:trend
D:challenge;
B:achievement
C:trend
D:challenge;
正确答案是：
同类题型
John ,why are you so upset?—-I _________ my cellphone all morning but it is nowhere to be found
She’s all alone here, and it seems rather unkind to ________her.
Great changes____in the city, andalot offactories____.[ ]
Tom ____a brother, but I ____.
Do you speak English _________ —Yes, I do. I can speak very _________ English.