问题详情:
Tom was about to close the window ______ his attention was caught by a bird.
A. when B. if C. and D. till
【回答】
A
知识点:固定句型
题型:选择题
问题详情:
Tom was about to close the window ______ his attention was caught by a bird.
A. when B. if C. and D. till
【回答】
A
知识点:固定句型
题型:选择题