[ Grammar ]
Choose the sentence that correctly uses the past perfect tense.
A. She has finished her homework.
B. They had gone to the store before it closed.
C. He will have been waiting for an hour.
D. I am going to the park.
Select your answer:
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Modals › ViewWhat is the primary function of modals?
A. To describe actions that happened in the past
B. To express necessity, possibility, permission, or ability
C. To form the future tense
D. To describe habitual actions
Vocabulary › View
the variety of life in the world or in a particular habitat or ecosystem
A. carbon dioxide
B. boreal
C. ecosystem
D. biodiversity