[ Perfect Tenses of Verbs ]
Luisa has written to the mayor about the smog problem.
A. present perfect
B. past perfect
C. future perfect
Select your answer:

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Subordinating Conjunctions and Complex Sentences › ViewIdentify the complex sentence with correct punctuation:
A. Since it was raining, we stayed indoors.
B. I love to swim, and I go to the pool every week.
C. We went to the museum it was interesting.
D. The dog chased the ball it was fun to watch.
Conjunctions & Interjections › View
Which conjunction from the sentences connects the two phrases?
Both the Great White and the Dwarf Pig are carnivorous animals.
A. and / but
B. both / and
C. and / are
