根据句意,用适当的介词填空
1.His mother is ill and he is taking care _______ her at home.
2.Linking information ________ pictures can help you remember something important.
3.Nothing can stop us _______ going there.
4.We are divided _______ five groups to be on duty.
5.My teacher gave me some advice ________ my English study.
6.I'm sorry ______ being late agin.I won't be later next time.
7.I've forgotten to bring the ruler ________ me.May I use yours?
8.He tried to keep each word ________ his mind,but he failed.
9.There are all kinds ________ books in this bookshop.I really don't know which one to choose.
10.Do you know what is the matter ________ this computer?