Answer:
a. We <u>used to</u> go to school together.
b. How did you <u>use to</u> spend the winter evenings?
c. We <u>used to </u>have our milk delivered.
d. I <u>used to</u> be in love with him.
e. At one time there <u>used to</u> be trees in the garden.
The correct answer is C. Customer spreadsheet
