I can’t remember _____ made the teacher give Mary the permission to leave the class earlier.

________she is not so healthy _______she used to be?

It is usually thought      a little child says is truth.

It was at that school ______ he realized his dream ______ he was going to be a teacher.

（2010·长春模拟)        she is not so cheerful        she used to be?

--Mum, I don’t think I am qualified enough to do this.
--Honey, be confident! You should know it is ____ a man thinks of himself ___ really determines his fate.

…  you got the news that the rocket was sent up successfully?
……From the radio.

It was ________ that saw a lot of close matches in the 16^th Asian Games in November, 2010.

---Will it take me at least six hours to write this essay?
---Yes, six hours ______ to write a good essay.

I just don’t understand ________ that prevents so many children at school from being as happy as one might expect.