To save time and respect copyright:

Here is an example of what a typical answer key looks like for a (Third Edition):

Remember: Progress is measured by improvement between tests, not by the score on a single test. Use answer keys wisely, respect copyright laws, and focus on mastering Upper Intermediate English — not just on getting the right letter in a box.

The Progress Tests are part of the or the Solutions Testing Program . There are typically:

These answers correspond to the standard Upper-Intermediate grammar and vocabulary sections. 1: hadn't known 2: had been staying 3: hadn't had 4: had been filming 5: hadn't wanted 6: had shown Section 2 (Past Tenses): 1: had won 2: had been working 3: hadn't given 4: had made 5: had been studying 6: hadn't been enjoying Section 3 (Used to / Would):