[ Grammar ]
He was busy ________ his homework.
A. to do
B. doing
C. for doing
D. that he was doing
Select your answer:
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English for TourismVocabulary Spelling GrammarPast PerfectNouns & PronounsHave as verb and auxiliaryDistinguishing Future TensesPast Continuous and Past Simple TenseSimple and Past TensesSubordinating ConjunctionsSecond ConditionalsOther quiz:
Conjunction › ViewMy pen ran out, ____________ I have to finish the test!
A. so that
B. and
C. hence
D. besides
a, an, the, Zero Article › View
We offer 128-bit encryption for __ Dedicated SSL.
A. A
B. An
C. The
D. No article required