[ Grammar ]
Kevin has been studying ______ over an hour.
A. since
B. for
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Helpful Phrases Adjectives & QuantifiersGrammar - Present PerfectAdverb ClausesConjunctions in Complex SentencesCity PlacesGrammar Comma UsagePassive and Active VoicePronounAdverbs of frequencyOther quiz:
Conjunctions › ViewWhich sentence correctly uses the conjunction “although”?
A. Although it was raining, we went hiking.
B. Although she likes to swim or play tennis.
C. Although she is tired, but she keeps working.
D. She is happy although she is busy.
Gerund vs. Infinitive › View
A Verbal is a ___ form.
A. Noun
B. Verb
C. Adjective
D. Adverb
Choose the correct pronoun: “The cat is sleeping. ___ is on the bed.”
A. She
B. It
C. They
D. He
Modal Verb › View
It’s not necessary for you to wait
A. You had better wait
B. You don’t need wait
C. You mustn’t wait
D. You don’t have to wait