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11. I …… (not / be) able to reach my boss on the phone yet. I …………. (try) for the last twenty minutes, but the line …………….. busy.
12. We ………………. (have) three major snowstorms so far this winter. I wonder how many more we will have.
13. I ………………… (write) them three times, but I still haven’t received a reply.
14. A: Dr. Harrison is a good teacher. How long ……… he …………. (be) at the university? B: He …… (teach) here for almost 25 years.
15. A: What are you going to order for dinner? B: Well, I ……………… (have/have) pizza. So I think, I’ll order that.
12. We ………………. (have) three major snowstorms so far this winter. I wonder how many more we will have.
13. I ………………… (write) them three times, but I still haven’t received a reply.
14. A: Dr. Harrison is a good teacher. How long ……… he …………. (be) at the university? B: He …… (teach) here for almost 25 years.
15. A: What are you going to order for dinner? B: Well, I ……………… (have/have) pizza. So I think, I’ll order that.