I am sorry, but I didn't mean to keep you waiting here so long. Can you ________ me?
A. hesitate B. forgive
C. apologize D. satisfy
Generally speaking，the limits of a person's intelligence are fixed at birth，but whether or not he reaches those limits will ________ his environment.
A. focus on B. rely on
C. agree on D. carry on
With our knowledge ________ practice，we can make great contributions to our society.
A. to base on B. basing on
C. based on D. base on
Generally，________ to a university in the USA, foreign students need to prove their strong ability in using English.
A. admitting B. admitted
C. to be admitted D. being admitted
Don't pretend ________ hard. I know that you are reading a magazine at the same time.
A. to work B. working
C. to be working D. to have worked
According to a recent survey, homework is what students most often ________ for their lack of sleep.
A. blame B. remind
C. accuse D. suspect
