多个动作的句子其动词时态应由句子的意思来决定：
◆ She WAS PLAYING with her friends when the babysitter ARRIVED.
◆ She PLAYED with her friends when the babysitter ARRIVED.
第一个句子表示当babysitter 来的时候she 正在play with her friends. 第二个句子表示当babysitter 来了以后 she play with her friends .
学习完毕，做做练习检验一下自己的学习成果吧~
练习册：让句意决定动词时态
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包含题目数
5
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已做过人数
248
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全站平均正确率
1%
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预计耗时
10min
