----How did it happen? ----We ____ on the lake when suddenly she ____ the water.A.were boating;fell into B.are boating;falls into C.boated;fell into D.were boating;were falling into
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----How did it happen? ----We ____ on the lake when suddenly she ____ the water.A.were boating;fell into B.are boating;falls into C.boated;fell into D.were boating;were falling into
----How did it happen? ----We ____ on the lake when suddenly she ____ the water.
A.were boating;fell into B.are boating;falls into C.boated;fell into D.were boating;were falling into
----How did it happen? ----We ____ on the lake when suddenly she ____ the water.A.were boating;fell into B.are boating;falls into C.boated;fell into D.were boating;were falling into
A
事情怎么发生的?我们正在湖中划船时她突然掉进了水里.
did表明是过去的事.排除b
联系后文.我们在划船是持续性动作,她掉进水里是短暂性动作.（她不可能是正在往水里掉= =）
所以用 we were boating 和 fell into
A
根据题意，可知需用过去时，排除B。
因为“掉到水里”这个动作不可延续，所以没有were falling into这样的说法，排除D。
根据题意，第一个空应该用过去进行时。故选A。
A 我们正在划船，忽然她掉进水了
正在发生的动作 发生在过去 所以第一个空用过去进行时
他掉进水时发生在过去的动作 用过去式