________ there, the southwest desert contains a remarkable variety of plants.
—How much should I pay for the dinner?—________.
—May I use your phone? I left mine at home.—________. Here it is.
—A second, please. I have another call coming through.—________ I'm not in a hurry.
—Go out for what? Why not stay at home and watch the exciting basketball match broadcast?—________ You promised to take me out for dinner.
—May I see your driving license, please?—________? Did I do anything wrong?