[ Grammar and Vocabulary ]
He regrets (to not have/not having) studied harder in school.
A. to not have
B. not having

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Grammar › ViewThey both are madly in love with you. Look! They …………………….. again.
A. were fighting
B. fight
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Phrase and Clause › View
Choose the best clause to make this a grammatical sentence.
“I think it’s supposed to rain today, ……”
A. so you should bring your umbrella with you.
B. before you bring your umbrella.