His sister’s never been to the Summer Palace, _______

days after the aircraft went missing, an international effort ________ ships and planes hasn’t found any wreckage, ________ growing frustration for the families of the 239 people on board.

I am not a little tired today after giving the room athorough cleaning and I have never had ______today.

He’samazingly cheerful considering all he’s had to __________

May I visit you at 10 o’clock tomorrow morning— I’m afraid I ______ a document for my boss then.What about 12:00