[ 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:
Mixed General Quiz › ViewSpanish is the official language, but it is not the ___ language. Catal�, Euskera, Galego and Valenci� are spoken in different places.
a. beautiful
b. general
c. lovely
d. only
e. unique
Grammar › View
He _________ a party next weekend.
A. has
B. will have
C. is has
D. is having
Pronouns, Verb, Conjunction › ViewChoose 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
