题目内容
【题目】Some countries are rich, others are extremely poor.
A. while
B. as
C.unless
D. when
【答案】A
【解析】while在此意为“然而”,表对比。
练习册系列答案
相关题目
题目内容
【题目】Some countries are rich, others are extremely poor.
A. while
B. as
C.unless
D. when
【答案】A
【解析】while在此意为“然而”,表对比。