用适当形式填空.（已有答案,只求帮忙分析为什么） 如有错误望请改正.

用适当形式填空.（已有答案,只求帮忙分析为什么） 如有错误望请改正.
4.Now all the students are very busy getting (get) ready for the coming exam.
5.Has the doctor allowed her 　to get　 (get) out of bed?
6.I feel like giving　 (give) up Maths because it’s hard to learn.
7.That’s the end of the programme.Thanks for　listening(listen).
8.Doing　 (do) morning exercises is good for our health.
9.We are looking forward to meeting (meet) a new classmate from America.
10.It’s very kind of you to tell (tell) me about it.
11.— Hi,Mr Wang,could you help me 　to work(work) out the problem?
— OK,let me try.
12.I don’t think it easy for her to finish (finish) the work in two days.
13.The doctor advised me not to eat (not eat) too much candy.
14.Look!There is a pet dog 　lying　 (lie) on the ground.Let’s go and play with it.
15.If you want to be healthy,you are supposed to give up smoking (smoke).