You should be ________ a diet; otherwise you will get fatter and fatter.

Ladies and gentlemen, I have the great privilege____ introducing our speaker for tonight.

I admired my classmate Lisa very much. ______ her prettiness, she was smart and helpful.

Parents are advised to take pressure          their chileren and give them some encouragement before an exam.

China now aims to boost domestic demand, and this ______ would help the global economy.

More people are choosing to work _____ retirement age，since the living expenses are shooting up sharply.

Plans have been proposed ______ the largest dam in the world to be built along the Congo river.

What do you think of the reason _______ he mentioned at the meeting _______ winning this competition?

Plans have been proposed ___ the largest dam in the world to be built along the Congo river．

It was rude _____ you to stare at the foreigner when he passed by just now.