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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 1431

---I saw Betty       to Grandpa Li's home just now.
---Yes. She’s often seen _________ the old man with the housework.

A.go, help B.going, to help C.go, to help D.going, helps
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IsawBettytoGrandpaLishomejustn