72. Which of the following groups doesn’t belong to the same category?
—People should stop using their cars and start using public transport.—________. The roads are too crowded as it is.
“Could we put off the meeting?” she asked.“________.” He answered politely. “This is the only day everyone is available.”
—Wow! It snowed last night. What a nice world!—You're right. But it's more difficult to find my missing keys with snow________ the ground.
With a lot of difficult problems ________, the manager felt like a cat on hot bricks.
—Wow, isn't this handsome device the most popular iPad 2? Can I have a look at it? —________.