问题
Some students often find _______ difficult _______ remember the English words.
A:white and black’s
B:orange and white
C:black-and-white
D:white-black;
B:orange and white
C:black-and-white
D:white-black;
正确答案是：
同类题型
Tomwasabouttoclosethewindow_____hisattentionwascaughtbyabird.[ ]
It’s usually to take the underground train to most places in big cities.
No one _______ the building without the permission of the policeman
__________ when has the country been open to international trade?— 1978, I suppose
The 2012 London Olympic Games _________ to attract several billion TV viewers around the globe