问题标题:
Whattimedoesheusually________(eat)lunch?Hisclassmate________(work)veryhardonEnglish
问题描述:

Whattimedoesheusually________(eat)lunch?Hisclassmate________(work)veryhardonEnglish

廖致刚回答:
  eatdo后面加动词原型   works第三人称单数
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