Topics: Vocabulary & Grammar
We must protect the _____in order to preserve our heritage for future generations.
A. limestone
B. valley
C. ecosystem
D. original
Select your answer:
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Grammar › View The dusty, old book sat on top shelf.
A. complete subject
B. complete predicate
C. simple subject
D. simple predicate
Grammar › View
Choose the correct verb tense to complete the sentence. I ___ TV when you called.
A. was watching
B. watch
C. watching