third
- It is said that the gravity on Mars is only about __________ of the gravity on earth．
- Do you often play computer games? —No, And so do ________ of my classmates, you know we are very busy
- ______ of the coats ________ made of cotton. They feel comfortable.
- _______ of the furniture in the museum ______ from Ming and Qing Dynasty.
- _____ of the water _____ polluted. We must try to protect our environment.
- of the coats made of cotton. They feel comfortable.
- _____of the warm water _____already been used up.
- About_______of the engineers in me company were born in the_________．
- About ________ of the workers in the factory were born in the ___________.
- About ________ of the workers in the factory were born in the ________.