The twins are so much that it is difficult to tell one from the other.
A. similar
B. equal
C. like
D. alike
网友回答
A. similar
B. equal
C. like
(答案→)D. alike
解析:alike“相象”,而similar是“相似”之意;“相同的”在英语中常用的有三个词same,similar,alike,但用法不同。same与定冠词不可,分总用the same,或用指示代词;而similar是类似、近似,常与to连用;alike则只能作表语,表示相象。