As his best friend , I can make accurate guesses about ___he will do or think.
Look! That fellow is too sleepy to work. He ______ up reading until midnight.
According to Lee, it was Ben’s carelessness that _______ the accident. But Ben _______ his wrong doing.
I believe that those mountains ________ with trees in a few years’ time.
______ the scene, he couldn’t help thinking of the description in a book ____ by a British novelist.
________ many changes have _______, we should keep pace with the changes too.