[ Progressive Perfect and Simple Verb Tenses ]
In the past, people invented steam engines.
A. past
B. present
C. future
Select your answer:

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Linking Verb › ViewPlease choose the correct linking verb in the sentence.
Rocky is older than Winky.
A. Than
B. Older
C. Is
D. No linking verb
Mixed General Quiz › View
Did you ___ the office door?
a. lock
b. rock
