– Who should be responsible for the accident? – The boss, not the workers. They just carried out the order _____.
My point is that you must do ____________ is best for you.
_____ to the party, Joan was greatly hurt.
________we went to visit Professor Smith, he________his research work.
A true gentleman is always _______ with himself and tolerant with others.
—What about the student in your class, Mr. Wang?—The doctor said that ________ sleep caused him poor memory and poor concentration.