[ Modal Verbs ]
He __________ known better than to trust that source.
A. might have
B. could have
C. must have
D. must have

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Modal Verbs › ViewOliver and Abigail are discussing their homework. Which of the following sentences uses ‘should’ correctly?
A. We should to finish our homework.
B. We should finishing our homework.
C. We should finish our homework.
D. We should finishes our homework.
Grammar › View
Be careful, ………. you’ll make grammatical mistakes.
A. Or
B. But
C. And
Prepositions and Prepositional Phrases › ViewFill in the blank with the correct preposition: “The gift is from _____.”
A. She
B. Her
C. Hers
D. Herself
Prepositional Phrases › View
Numbers are selected _____ random in the lottery.
A. in
B. on
C. at
