[ Grammar ]
I was ten years old and I ______ down the main rod when something ______ that I’ll never forget.
A. was riding / happened
B. rode / was happening
C. was riding / had happened
D. rode / had happened
Select your answer:

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Grammar › ViewThough ecotourism in Vietnam is at a beginning stage of development, it ____ to grow strongly through support from government and international organizations.
A. expects
B. is expected
C. has expected
D. is expecting
Grammar › View
He is __________ managing the entire project.
A. afraid of
B. well-known for
C. responsible for
D. suitable for
