The author of the article believes that it is the test system,________teachers,that is responsible for the heavy burden of the middle school students nowadays.
________ you are busy, let us help you finish the project.
She’s ____ to know where you’ve been.
He _______ cards with his friends, but now he _______ a walk after supper.
Instead of sending e-mail, Nancy talks with her mother on mobile phone once a week.
— Sorry, Sir. I didn’t quite follow you. — ______. I’ll explain it to you later.