Reading the letter from her boy friend,____ A.a smile appeared on her face.B.she began to smil...Reading the letter from her boy friend,____A.a smile appeared on her face.B.she began to smile应该是B,为什么A不能选?语法上有什么错?
问题描述：
Reading the letter from her boy friend,____ A.a smile appeared on her face.B.she began to smil...
Reading the letter from her boy friend,____
A.a smile appeared on her face.B.she began to smile
应该是B,为什么A不能选?语法上有什么错?
答
A是以a smile为主语的，可是前句是Reading 应该以人为主语，所以选B
答
动名词做状语,其逻辑主语要与真正的主语一致