[ To infinitive - Gerund ]
She is busy _______ her homework.
A. to do
B. doing
C. done
D. to be doing
Select your answer:

Random Topics:
Modals and VocabularyNounsSentence Fragments and Complete SentencesSimple Compound and Complex SentencesConjunctions and PrepositionWas and WereModals and ConditionalsGrammar Comma UsageGrammar (Adjectives)Perfect Progressive TensesOther quiz:
Grammar › ViewInfrastructure ____ to maintain attractive tourism destinations inevitably involves energy and resource consumption, putting added pressure on the local ecosystems.
A. require
B. requires
C. requiring
D. required
Vocabulary › View
………………………… means significant, powerful, about to affect others.
A. influential
B. controversial
C. dynamic
D. fictional
