[ Grammar ]
My parents ____ (be) married ______ twenty years.
A. My parents has been married for twenty years.
B. My parents has been married since twenty years.
C. My parents have been married for twenty years.
D. My parents have been married since twenty years.

Random Topics:
Auxiliary Verbs & Question TagsPast Perfect and Past Perfect Continuous TensePast Perfect TensePresent Perfect and Past TensesNoun and PronounPast SimpleGrammar: Have toV-ing/to-VFuture Tense VerbPast Tense & Past Continuous TenseOther quiz:
Grammar › ViewI ____________ (eat) my lunch.
A. eating
B. am eating
C. are eating
D. eats
Indefinite Pronouns › View
_______________ in the classroom happy because the teacher said she won’t give any homework.
A. nobody
B. something
C. nothing
D. everybody
Grammar › ViewThe car ______________ off the road in the sharp bend.
A. slided
B. slid
C. slad
D. slidded
Linking Verbs › View
I ______ in fourth grade.
A. is
B. am
C. are
