Question

【题目】The little boy _______ stop playing computer games _____ his father came back.
A.doesn't; until
B.not; until
C.didn't; until
D.don't; until

Answer 1

【答案】C
【解析】句意：这个小男孩……停止玩电脑游戏……他父亲回来。根据选项可知男孩直到父亲回来才停止玩游戏，应该使用一般过去时，故选C。