A. nor B. not the C. none other D. nothing but

15. — Can you ride a horse? — No, I never had the chance ________.

A. for learning it B. for learning how C. how to learn it D. to learn how

（后设答案，大家不要偷看哦~(*^__^*) 嘻嘻……）

KEYS

1.B 2.C 3.B 4.C 5.B 6.D 7.B 8.A 9.C 10.A 11.B 12.A 13.D 14.D 15.D