问题

All the nations,powerful or not,should be ________harmony with each other.
A:out of
B:in
C:on
D:of;
B:in
C:on
D:of;
正确答案是:
同类题型
Students ___________ remain in their seats until allthe papers have been collected
_______ your answers with those at the backof the book to see if they are right.
What a lovely day! I hope it _____ fine.
Tom’s son was ________ of being a soldier though he was so weak and thin.[ ]
If he doesn’t know how to read a new word, he usually in a dictionary.