[ Subject Verb Agreement ]
Either lightning flashes or thunder (is, are) let out by the sky.
A. is
B. are

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Present Perfect Tense › ViewThe school bell has ….. Let’s go!
A. started
B. rung
C. given
Grammar › View
Carme __________in the bathroom.
A. is
B. are
Vocabulary › ViewWhen you _______, you provide, give, or add on to something.
A. conclude
B. contribute
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Even though he felt in his heart that Gussie had passed, Mr. Garoff was _________ until they identified her body.
A. ardent
B. frugal
C. stoic
