I. Multiple choice(本题共20分，每小题1分)
Choose the best answer from A、B or C according to the meaning of the sentence.
1. Listen! The little girl singing in the room.
A./ B.are C.is
2. I have useful book. It is about how to play basketball.
A. an./ B. a./ C. an.the
3. It is raining outside. Why not ____an umbrella.
A. to take B. take C.taking
4. —The 24th Winter Olympics will be held in China in 2022.
—______good news it is!
A. What B. What a C. How
5. —I found a book in my room. Whose is it
—Oh， It is ____. Thank you.
A. me B. my C. mine
6. My younger brother was born ____the night of June21st. He is very cute.
A. in B. on C. at