Past Perfect or Past Simple

First, I wrote a letter. Second, I showed him the letter. ⇒ I showed him a letter that I _____________.

• 'd written

• wrote

First, I wrote a letter. Second, I showed him the letter. ⇒ I wrote a letter and a few days later I _____________ it to him.

• showed

• 'd shown

First, I looked through the window. Second, it started raining. ⇒ When I looked through the window, it ______________ raining.

• started

• had started

First, it rained. Second, I looked through the window. ⇒ When I looked through the window, it ____________.

• rained

• had rained

First I had dinner. Second, you called. ⇒ When you called, I ______________ dinner.

• 'd had

• had

First you called. Second, I had dinner. ⇒ When you called, I ___________ dinner.

• had

• 'd had

First, she bought a T-shirt in the sales. Second, she gave it to me. ⇒ She bought a T-shirt in the sales and ___________ it to me as a birthday present.

• gave

• had given

First, she bought a T-shirt in the sales. Second, she gave it to me. ⇒ She gave me a T-shirt that she _________ in the sales.

• had bought

• bought

First, the teacher arrived. Second, I finished my composition. ⇒ When the teacher arrived, I ____________ my composition.

• finished

• 'd finished

First, I finished the composition. Second, the teacher arrived. ⇒ When the teacher arrived, I __________ my composition.

• 'd finished

• finished