Choose the best answer to complete the sentence.

By 1970, Canada ____ to choose the maple tree with the leaves as its national icon.

Choose the best answer to complete the sentence.

They showed us the pictures of volcanic eruption that they _____.

Choose the best answer to complete the sentence.

Susan was late. By the time she got to school the class _____ already.

Choose the best answer to complete the sentence.

We watched TV after our daughter ____ to bed.

Choose the best answer to complete the sentence.

We ____ that car for ten years before we sold it.

Choose the best answer to complete the sentence.

By the time Maria finished her report, she ____ working on the computer for over three hours.

Choose the best answer to complete the sentence.

When the firemen _____, the fire had completely destroyed the back half of the building.

Choose the best answer to complete the sentence.

In the evening, the children told their mom what they _____ at the zoo.