Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.

Our patients____ faster recoveries and greater painthan patients undergoing open neck and back surgery. And they’re up and _____around within a few hours of surgery.

a superstar in environmentprotection, reduces plastic and other _______ through DIY

Can we make this plan a week later– No, we can’t put off _______ it becausethe meeting is only two days from now.

The story is very interesting. Don’t stop. to tell it, please.