He was listening attentively in class, his eyes ______ on the blackboard.A、fixin

游客2024-09-20  9

问题 He was listening attentively in class, his eyes ______ on the blackboard.

选项 A、fixing
B、fixed
C、are fixing
D、are fixed

答案 B

解析 独立主格结构。逗号前后没有连接词,故后半部分不能用完整句子,排除C、D。这里应用独立主格结构作伴随状语,由于eyes和fixed存在被动关系,因此正确答案为B。
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