题目内容：
No sooner _______ than they began to work.
(A) they had arrived
(B) they would arrive
(C) had they arrived
(D) would they arrive
参考答案：
选择题：No sooner _______ than they began to work.(A)they
- 题目分类：南阳师范学院-大学英语（一）
- 题目类型：选择题
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No sooner _______ than they began to work.
(A) they had arrived
(B) they would arrive
(C) had they arrived
(D) would they arrive