Try not to cough more than you can ______ since it may cause problems to your lungs.
—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________.