题目内容
() 13. Suddenly,Jack stopped and lay down on the ground. So we all stopped what happened to him.
A. to run, to see B. running,seeing C. running,to see D. to run,seeing
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题目内容
() 13. Suddenly,Jack stopped and lay down on the ground. So we all stopped what happened to him.
A. to run, to see B. running,seeing C. running,to see D. to run,seeing