ПОМОГИТЕ!!!
Complete the sentence. Use the PRESENT PERFECT or the PRESENT PERFECT CONTINUOS. In the sentences, either form is possible.
The post office isn’t far from here. I (walk) ____________________________ there many times.
I’m tired. We (walk) _____________________ for more than an hour. Let’s stop and rest a while.
Mr. Alvarez (work) __________________________ at the power company for fifteen years. He likes his job.
I (read) ______________________________ this chapter in my chemistry text three times, and still don’t understand it!
My eyes are getting tired. I (read) _____________________________________ for two hours. I think I’ll take a break.
Mrs. Jackson (teach) ________________________ kindergarten for twenty years. She’s one of the best teachers at the elementary school.
Debbie is writing a letter to her boyfriend. She (write) __________________ it since she got home from class. It’s going to be a long letter!
I (write) my folks at least a dozen letters since I left home and came here.

1. I have walked2. We have been walking3. Mr. Alvarez has been working4. I have read5. I have been reading6. Mr. Jackson has been teaching7. She has been writing8. I have been writing