Bruno and Marcela met at a medical assembly, which Marcela ...

★ Past Perfect and Past Perfect Continuous Tense

Bruno and Marcela met at a medical assembly, which Marcela ______ _______ ________ for a long time.

A. was attending

B. has been attending

C. have been attending

D. had been attending

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My friend didn’t know the answers, because he …. …. for the test.

A. wasn’t studying

B. hasn’t studied

C. hadn’t studied

D. didn’t study