根据汉语提示填空。
Smoking is bad for our health. I must ask my father to ______  ______(放弃) smoking.
He is going to Shanghai ___________  _________ (而不是) Beijing.
They are __________  _________ (谈论) the coming school sports meet.
The boy was ill and his parents _________ ________ (担心) him yesterday.
When you have a headache, you ‘d better ________ ________ (躺下) and have a good rest.