I.Choose the best answer:(3) 11. I haven’t seen Kate ............................. Christmas. A. for B. never C. ever D. since 12. He’s worked for this company ......................... many years. A. since B. for C. in D. at 13. After they ____ their breakfast, they ____ shopping yesterday. A. have/go B. had had/go C. had/had gone D. had had/went 14. We ____ him since he ____ married. A. didn’t see/got B. haven’t seen/got C. don’t/get D. hadn’t seen/got 15. We ____ what to do with the money yet. A. not decide B. didn’t decide C. haven’t decided D. hadn’t decided