— What can I do for you?— I want some _______. I am very thirsty.
I never doubt ________ his advice is of great _________ to me.
—Is David coming by train?—He should, but he not. He likes driving his car.
US First Lady Michelle Obama encouraged students to study abroad in her when visiting Peking University on March 22, 2014.
Be quick, ___________ we’ll be late for the meeting.
________ useful advice you gave us!