[ 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 › ViewThe garbage is full. Can you _________, please?
A. take out them
B. take it out
C. take out it
Grammar › View
The formulation of economic policies necessitates meticulous consideration – – – – – large segments of the population.
(A) because they affect
(B) they are affected because
(C) affect them because
(D) because affecting them
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
