问题
选择题
The little girl felt upset ____ her pet dog died.
A. why B. because of C. because
答案
答案：C
这题考查原因状语从句的用法：because引导原因状语从句，句意是：因为宠物狗死了，小女孩感到难过。Because of是介词短语，后面是接名词。
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The little girl felt upset ____ her pet dog died.
A. why B. because of C. because
答案：C
这题考查原因状语从句的用法：because引导原因状语从句，句意是：因为宠物狗死了，小女孩感到难过。Because of是介词短语，后面是接名词。