A healthy heart is very important for giving life to the full, at_________ age you are or whether you are a male or female.
________ 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.