单项选择题（25分）
1.—Mr. Green has ___ one-year-old son, doesn’t he?—Yes, and he also has ___ 8-year-old daughter.
A. a; a B. an; a C. a; an D. an; an
2.—Have you been to ___ Great Wall? —No, but I have been to ____ Tian’anmen Square.
A. the; the B. the; / C. /; / D. /; the
3.—Can you write the number eighty-five thousand, six hundred and twenty-six? —Yes, it is ____.
A. 85662 B. 58626 C. 58662 D. 85626
