We haven't heard from him for quite a long time.
Jennifer hasn't got home yet. Jennifer还没到家。
Haven't you finished your work yet? 你工作还没做完吗？
She is an actress, not a singer. 她他是演员，不是歌星。
I'm interested in history, but not in geography.
I don't think he is on our side. 我认为他不是我们这一边的。
He doesn't seem to like singing. 他似乎不喜欢唱歌。
I don't believe she is at home now. 我认为她现在不在家。