Topics: Perfect and Past Tenses
When I arrived, they………….. already (leave) __________ for the airport.
A. left
B. had… left
C. were leaving
Select your answer:

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Vocabulary and Grammar › ViewTay Phuong Pagoda is well-known for its treasure of ______, an invaluable cultural and historical heritage.
A. items
B. stone
C. sculpture
D. objects
Grammar › View
They are _____(help) the man now.
A. help
B. helping
C. helps
D. helpes
