D
yesterday说明用一般过去时
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以后有问题可以直接向我或【海纳百川团】提问哦～1How often ____lucy___(help)Mr wang to clean the house2.Let us run and see who ___(get)to the finishing ilne first.3.The farmers ___(pick)apples when it began to rain1 does, help 2 gets3 was picking第三个为什么不用were?很棒！应该是were picking最后两个：If you ___(lose)a book ,you will have to____(pay)for it I____(make)a dress when I cut my finger1 lose, pay2 was making