--Could you do me a favor? --It depends on _____it is.

 surprised us very much that John should fail in the physic test．

I’d like an ice cream. Are you having ________,too?

All these changes will lead to a strong and powerful China,_____that can surprise the whole world.

Of all the plays performed recently, _______ is so impressive as “Hamlet” by Shakespeare. 

The position will be offered to ______ wins the most votes in the next election.

We have been left no_______ choices except to go ahead to face them.

. --- Sarah said she wrote you a letter. --- I wonder ______ she is writing to me about.

She patted me on ______shoulder with a smile on ______ face.

The citizens of Beijing are proud of _______ they have done to make Beijing a beautiful city.

The group of the aged are close companions, and many of ______ have known each other for decades.

The man didn’t choose __ of the suits and went away without looking at ___ third one.

Our city has changed a lot; who can tell what it will be like in ___ ten years?

. Some animals are in danger, and the scientists are doing ___ they can ___ them.

. Intelligence is to some extent _____ one is born with 

 She asked if any of the passengers knew _____ about machines or at least how to drive a car. 

_____ of the family isn’t willing to give up the chance to watch the exciting match. 

  -- _____is that used for?---_____ the floor.

   –Does it matter if I give it up this time?-- It ____if you do. You won’t have ______chance.

   I know nothing about him except that he works in ____company.