题目内容：

把以下句子改成现在完成时的肯定句,疑问句和否定句
1.I,eat some chicken (already) 2.they,have a party (already) 3.Tom,arrive in china (already) 4.Lily and lucy do their work (already)

优质解答

1.I have already eaten some chicken.Have you eaten any chicken yet?I haven't eaten any chicken yet.2.They have already had a party.Have they had a party yet?They haven't had a party yet.3.Tom has alre...