这项改革的主要哲学依据是
It seems that Jenny is a(n)______lady, for she always works more than 12hours a day.
--Did you listen to Mr. Jackson’s lecture? --Yes, I have never heard a _______one.
Jim apologized for ______ to inform me of the change of the plan.
Great changes ______ in my school in the past ten years.
________ you interrupt now? Can’t you see I’m on the phone? _ Sorry, Sir, but it’s urgent.