Studies show that office workers are more ______to suffer from backache because they always sit before computer screens for long hours.
The girl ______ is reading under the tree _____my sister.
Can you lend me the dictionary ______the other day?
This is the best hotel in the city _____I know.
In that big earthquake all their houses were____ , so they had to build new ones.?
--Peter, hurry up! You ______ on the phone. --Oh, I ______. Thank you.