Choose the best answers.（选择填空）
（___）1.Give me__，please . (A.an apple B.a apple)
（___）2.May I have___ ,please . (A.eight cake B.eight cakes)
（___）3.How many___ ? (A.pie B.pies)
（___）4. He can read ____ (A. a book B. a flower)
（___）5.Who is ___ ? __ is my grandfather (A.he/He B.she/She)
