要说明选择理由,

要说明选择理由,
1.— Where are you going?—I’m going shopping.—___________?—Certainly.
A.Will you give me pen B.Could you get a pen for me
C.Can I help you D.What are you going to buy
2.John is much better than I________.
A.to playing chess B.for playing chess C.at playing chess D.in playing chess
3.He has ___________ daughter_______ Mary.
A.a eight years old ,name B.an eight-years-old ,named
C.an eight-year-old ,named D.a eight-year-old ,naming