11 Mary has blended the ingredients.

　　A mixed

　　B made

　　C cooked

　　D eaten

　　12 They agreed to modify their policy.

　　A clarify

　　B change

　　C define

　　D develop

　　13 The economy continued to exhibit signs of decline in September

　　A play

　　B send

　　C show

　　D tell

　　14 A notably short man, he plays basketball with his staff several times a week

　　A practically

　　B considerably

　　C remarkably

　　D fairly

　　15 The dentist has decided to extract her bad tooth.

　　A take out

　　B repair

　　C push in

　　D dig

　　參考答案:11. A 12. B 13. C 14. C 15. A