It’s very dangerous to be ____ to the SARS virus without any protection.A disclosed B uncover C affected D exposed
—Silly me! I forget what my luggage looks like? —What do you think of________over there?
She showed the visitors around the museum, the construction________had taken more than three years.
—I've just been to my first language class. —Oh,really?________.Which language are you studying?
—Will $500________? —I'm afraid not.We need at least 300 dollars.
She won't go unless________.