1.My sister was born__on___the morning__of___October 1st.
特指具体某天的早上,下午,晚上都要用on
2.Father went to his doctor for__some advice___.
advice不可数,可用some修饰
3.Do you often have fun __watching___TV in the evening?
4.---Mike bought a new CD player ,didn't he?
---Yes.The palyer __cost__him a lot.
spent on
paid for
it took sb money to buy sth
5.My mother ask me __not to eat___a lot of junk food.
ask sb not to do sth.
6.He said __loudly enough___.I don't have __much time___to do that!
形容词或副词+enough; 名词则放前后都行