—_____ they are very tired, they feel happy because they’ve finally finished their project. — Great....
2022-12-18 22:54:25 21次 2016届福建泉州惠安县城北初中教研联盟九年级上期中英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—_____ they are very tired, they feel happy because they’ve finally finished their project.
— Great.
A. Once B. So C. Although
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