If you are stubborn and insist on carrying out your plan, you’ll ______ your bright future sooner or later.
Six people were killed in the riot(暴乱),a policeman________.
He tried his best to solve the problem,________difficult it was.
On the bus I saw a student I thought was your brother.
— Guess what? I went to Hainan Island last weekend.— Really? You a wonderful time.
He was badly ill but to comfort his parents,he ________ an excuse that he was too tired.