Is John writing an e-mail?A.Yes ,he is. B. No, he is .
—Is it serious, doctor? —Don’t worry. ________ serious.
—Is this postcard ________? —Yes, It’s ________. It’s from ________ friend.
— Which do you prefer, a bottle of orange juice or a bottle of milk? —________, thanks. I’d like a cup of tea.
The doctors and nurses are doing their best to fight SARS. They think more of others than ________.
— You want ________ hamburger? —Yes, I usually eat a lot when I’m hungry.