[ Grammar ]
Has Diana ….. this song for an hour?
A. Sing
B. Sang
C. Sung

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Articles with Proper NounsTag QuestionAdjective & AdverbModal VerbsPerfect TenseModals, Conditionals, and Clauses- Defining, Non-definingPossessive AdjectivesWill or Going toPerfect Progressive TensesVerb ConjugationOther quiz:
Perfect Tenses › ViewProvide an example of a sentence in past perfect continuous tense.
A. He has been waiting for the bus for over an hour.
B. She was waiting for the bus for over an hour.
C. They will be waiting for the bus for over an hour.
D. She had been waiting for the bus for over an hour.
Grammar › View
We need to protect ___________ from pollution.
A. environment
B. some environment
C. a environment
D. the environment
Grammar › ViewWhen we have any celebrations, we are preparing / prepare special food.
A. preparing
B. prepare
Phrasal Verbs › View
I like to ….some new places.
A. look around
B. look after
C. look at
D. look out