1. Thank you again for the lovely letter you have __________ to us.

wrote
writing
write
written

2. You may be surprised to know that it comes with the same guarantee of workmanship and high quality that we have been providing since 1946, the year when Chambers Appliances __________ in business.

starting
started
start
starts

3. I can, however, assure you that our current model which is available in finer department stores and appliance centers has ________ made with the same fine quality to which you have grown accustomed.

being
be
been
is

4. I regret to say that we do not ________ any of the discontinued models for I can understand why it held sentimental value for you.

have
has
had
having

5. We only updated our Chambers Mixmaster once, and that _________ in the new 1976 models.

occur
occurring
occurred
has occur

6. It is heartwarming to know that this appliance __________ with your family for nearly thirty years and never "let you down."

remain
remaining
remains
remained

7. Having received your letter ___________ your Chambers Mixmaster, I would like to thank you for your kind words about our products.

regard
regarding
regards
regarded

8. We would like to __________ from you and learn what your intentions are in regard to this account.

hears
heard
hearing
hear

9. We know that you understand our predicament and are probably _________ a similar situation with some of your aging accounts.

experience
experiencing
experienced
experiences

10. I am merely informing you that the account has reached a point where we must decide within a few days whether to ___________ it over for collection or just hand it to our attorneys, neither of which is our preference.