—Have you finished your experiment report, Jane?—Oh, my God. I’ve _____ forgotten all about that.
The garden is________with the sweet of flowers.
A child who lives in a boring environment will develop his intelligence less than one who lives in rich and varied________.
The policemen soon came to the________where the accident happened.
They are________to use chemical fertilizers in the field by law.
They're trying to________waste discharged by the factory for profit.