Put the verbs in brackets in the correct tense (present perfect simple or present perfect continuous):
1.Judy: How long (be) ………………………………………. in Canada?
Claude: I (study) ……………………………………………… here for more than three years.

2. I (have) …………………………………………………… the same car for more than ten years. I'm thinking about buying a new one.

3. I (love) ……………………………………………………. chocolate since I was a child. You might even call me a "chocoholic."

4. Matt and Sarah (have) …………. some difficulties in their relationship lately, so they (go) to a marriage counselor.
I hope they work everything out.

5. John (work) ……… for the government since he graduated from Harvard University.
Until recently, he (enjoy) ………………. his work, but now he is talking about retiring.

6. Lately, I (think)……. about changing my career because I (become) ……………… dissatisfied with the conditions at my company.

7. I (see) …… Judy for more than five years and during that time.
I have (see)………… many changes in her personality.​