11.The twins are together most of the time. So they never feel ___ .
A. alone B. lonely
C. happily D. friendly
[答案] B.
[析] alone意为"独自的,一个人的",它只能作表语不能作定语。I am not alone in doing such a thing.而lonely 意为"寂寞的,孤单的",如:The old man felt lonely. 要体会两个词的区别,如:The old man lived alone, but he didn't feel lonely.
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