_________ us with the ability to fight against disease, but it also helps us build our body. So, it is on my list of __________.

His parents thought only in this way ________ become successful，studying abroad.

This sweto buy__________. I have to choose _________ which is cheap enough for me.

What should I do if I want to start a club at school—Mm, just make sure what club you want to start and _____ by your teacher.

No one knows for certain how the first Americans arrived in _____ is now the United States.