第1个回答 2012-12-29
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 have already arrived in china.
Have Tom arrived in china yet?
Tom haven't arrived in china yet.
4.Lily and Lucy have already done their work.
Have Lily and Lucy done their work yet?
Lily and Lucy haven't done their work yet.