I kept on to her until the train disappeared completely in the darkness. A. waved B. to wa

发布时间：2020-08-16 08:29:36


I kept on     to her until the train disappeared pletely in the darkness.
A. waved
B. to wave
C. waving
D. and waved

网友回答

A. waved
B. to wave
(答案→)C. waving
D. and waved
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