The limits of a person's intelligence,generally speaking,are fixed at birth,but ________ he reaches these limits will depend on his environment.(2011·安徽)
I’m examining the article he has just finished _____ the possible mistakes in it.
Having passed all the tests, she felt a great weight _____ off her mind.
New ideas sometimes have to wait for years before _____.
How could he get the plan _____ without any one to support him?
Don’t worry. I’ll have it _____ and get someone _____ it to you tomorrow.