—Is that your best friend Simon?—No, it _______ be him. He flew to Hong Kong yesterday.
— Can I get you a drink? — That’s very nice of you. I’ve already got _____.
The hospital opened 5 years ago. It_______ for 5 years.
Many students memorize the new words _______ them many times.
Don’t __________your job. Things will go well soon.
My grandmother found watching TV _______ but I enjoyed it very much.