This is my good friend. _______ first name is Mary.A. She B. He C. Her
—Can I get you a cup of black coffee? —______.
—I preferat homeon such a rainy day. —So do I.
A low-carbon(低碳) lifestyle has an effectour daily life. People are paying more and more attention toenergies these days.
These pictures will show you____.
—Don’t play with the knife, ______ you’ll cut your hand. —Sorry, I ______ .