[ Grammar ]
Find the error with subject-verb agreement. Select the incorrect verb.
Dried-up creek beds across the area has started flowing again, thanks to the earthquake that shook our community last month. The quake displaced groundwater, which has worked its way to the surface.
A. has
B. displaced
C. shook
D. its

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The boy ran to the store.
A. boy
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We arrived __________5 o’ clock __________the morning.
A. at – at
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