---May I speak to your manager Mr.Willians at five o'clock tonight?"---"I'm sorry, Mr.Williams _______ to a conference before then."
It was two weeks before the Spring Festival and the shopping centre was _____ with shoppers.
Many students go to school _______ the tube in Beijing every day.
Stop making noise, _______ the neighbors will start complaining.
-- How was your life in the countryside? -- It was _______ but sometimes I felt a bit _______.
-- Have you moved into your new house? -- Not yet. The rooms _______.