1.Both Tom and Mary_the exam.为什么选have passed?2.The factory,including its machines,_burnt last night.为什么选的是was不是has been?

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1.Both Tom and Mary_the exam.为什么选have passed?2.The factory,including its machines,_burnt last night.为什么选的是was不是has been?

1.Both Tom and Mary_the exam.为什么选have passed?2.The factory,including its machines,_burnt last night.为什么选的是was不是has been?
1.Both Tom and Mary_the exam.为什么选have passed?
2.The factory,including its machines,_burnt last night.为什么选的是was不是has been?

1.Both Tom and Mary_the exam.为什么选have passed?2.The factory,including its machines,_burnt last night.为什么选的是was不是has been?
1.both ……and …… Tom 和Mary是两个人,所以谓语要用复数.
2.因为有时间状语last night 所以要用一般过去时.