[ Grammar ]
Monica has been studying_______.
A. yesterday
B. on Monday
C. while
D. all morning
Select your answer:

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Phrase and ClauseAdjectives with PrepositionConditionals Type ISentence and FragmentPreposition of PlaceTOEFLVerb-ing or to VerbPresent Progressive or Present SimpleCommas and Subordinating ConjunctionsPrepositions after VerbsOther quiz:
Grammar › ViewHe __________ an English teacher.
A. is
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C. am
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we can usually see ____ moon, every night.
A. an
B. the
C. had
D. have
