[ Grammar ]
She has been____ since 2 o’clock at Rousa’s birthday party.
A. sing
B. sang
C. to sing
D. singing

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Grammar, Conditional Sentences, VocabularyLinking Words and ConjunctionAdverb Clause ConnectorTOEFL Adjective and AdverbPassive Voice in Past Simple TenseAlong & AgainstComparatives ( adj/ adv)Grammar AssessmentThe Simple Present TensePast Continuous and Past Simple TenseOther quiz:
Grammar › ViewMy refrigerator, which is only about 5 years old, started leaking.
A. essential
B. nonessential
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Running along the National Mall, his iPod ran out of energy.
A. This sentence has a dangling modifier.
B. This sentence does not have a dangling modifier.
My sister can bake _______ than me.
A. good
B. better
C. best
Grammar › View
Where’s the ______ that your grandma gave you?
A. sleeping blue polyester bag
B. blue sleeping polyester bag
C. polyester sleeping blue bag
D. blue polyester sleeping bag