Everyone will go through life's stages of ups and downs, ________ selfrespect plays a key role in the maturity(成熟) of a person.
He, together with his friends,_______ coming to visit us this weekend.
You should apologize _____ your mother _____ your rudeness.
People say that Vancouver is Canada’s most beautiful city, ______by mountains and the Pacific Ocean.
—Obviously, the boss looks happy again, doesn’t he? —Yes. It’s said that he has ______ the difficult problem.
A concert will be held in our city _____ the great musician.