[ Past Perfect and Past Perfect Continuous Tense ]
Mary ________ sad because I _________________ her birthday.
A. was…have forgotten
B. had been…forgot
C. was…had forgotten

Random Topics:
Grammar PhrasesClause Markers TOEFL GrammarVerb BETransition WordsTenseIntensifiers: Really vs VeryAdverbs of Manner, Likes and PreferencesIF CLAUSEAdverbial ClauseVerbs and TensesOther quiz:
Preposition › ViewIdentify the preposition in the following sentence. The school talent show lasted for hours.
A. school
B. lasted
C. hours
D. for
Vocabulary › View
I live in a rural community. The community _______.
A. is full of tall skyscrapers
B. protects animals from hunters
C. is covered in trees, grasses, and farmland
D. has a lot of satellites
Mixed General Quiz › ViewHe was a ___ enough fellow even if he was not wealthy.
a. decent
b. descent
c. dissent
Grammar › View
I’ve never ____________ to the USA.
A. gone
B. being
C. going
D. been
