It is so difficult a problem that _____ student in this class _____ work it out.

If you have        fruit in the fridge, would you like me to prepare dessert(甜点) for dinner?

______ professional violinist practises for several hours a day , but ______ violinist has his own way of playing the Beethoven concert . 

It is a rule in his family that ______ comes home earlier should cook the dinner for the family . 

Mr Zhang gave all the textbooks to all the pupils , except _____ who had already taken them .    

At the beginning of the party,______ of the guests was given a piece of paper.

“Is there _____ here?”“No, Bob and Tim have asked for leave.”

----Is there anyone who is going to the Great Wall.----________.

I had no idea ____ is better, so I took ____ of them.

---How about going shopping this afternoon?----This afternoon? I don’t think I will be free then.Let’s make ___ some other time.

There must be _____ book which could help . 

He is a strict but kind-hearted father, ____ the children respect but are afraid of. 

“Susan, go and join your sister cleaning the yard.” “Why ______? John is sitting there doing nothing.”

I invited Joe and Linda to dinner, but ______ of them came. 

“There’s coffee and tea; you can have _______.” “Thanks.”

I’m afraid we can’t have coffee; there’s _____ left.

Mr Ascot, headmaster of the school, refused to accept ______of the three suggestions made by the Students’ Union.

If you can dream        , you can do         .

——Your coffee smells great！——It’s from Mexico. Would you like           ?

The best job is       which uses your skill in doing something together with your interest in the subject.