There were two small rooms in the house, ____served as kitchen.
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.
Is this school ______ you used to study?
______ nice and delicious, the fried chicken was soon sold out.