theyareverytired,theyfeelhappybecausethey’vefinally...

问题详情：

 　　　they are very tired, they feel happy because they’ve finally finished their project.

A. So                   B. Although          C. If              D. But

【回答】

B。考查连词辨析。句意: 尽管他们很累, (但)他们感到很高兴, 因为他们最终完成了任务。although引导让步状语从句, 意为“尽管; 虽然”。

知识点：连词

题型：选择题