—I apologize for having made a mess in your bathroom.
—______．After all，you didn't mean it.
A. You're welcome B. It's my pleasure
C. Don't mention it D. I can't agree more
You need to stop him from ______ alone.
A. go B. to go C. going D. went
—Jim, how do your parents like music？
—______ my dad ______ my mom likes it. They both like country music.
A. Either；or B. Not only；but also
C. Neither；nor D. Both; and
—I'm sorry I've taken your dictionary ______because they have the same color.
—It doesn't matter.
A. at once B. by mistake
C. in general D. as well
—Could you please sweep the floor? I’m going to cook dinner.
— ________. I’ll do it at once, Mom.
A. I’m afraid not B. You’re kidding
C. It’s a shame D. My pleasure
—How was tea invented？
—______
A. 5，000 years ago. B. By accident.
C. Shen Nong，a ruler. D. Over an open fire.
