The science of computer, _______rapid progress has been made in recent years, is the most important of all science.

No matter how much money you have，it can not——awealthy body

Would you like to drink ________ hot drinks— No, thanks. There is _________in my cup.

you seen ______ workers passby— Yes, I’ve seen ____ them

Through so muchtrouble，he learned ________everyone needed friendship and ________self confidence is important.