Complete with To Be

Dear Ms. Bernard,

We ... pleased to hear that you ... interested in our new product.

Unfortunately, the documentation is not ... ready until next month

Therefore, I ... enclosing with this letter the preliminary details.

As you ... no doubt aware, our product ... issued at the end of last summer.

It ... now a great success.

We ... confident of the success of the new products too.

We hope that this information ... of use to you.

However, if there ... other interests you have, let us know.

We ... delighted to talk to you by phone.

We ... looking to hear from you soon.