[ Progessive Tenses ]
They had been using their cellphone all night.
The correct tense for this sentence is__
A. past progessive
B. past perfect
C. past perfect progressive
D. past tense

Random Topics:
Conjunctions and TransitionsTenses: Present simple, Past Simple, Future SimpleComparison of Adjective and AdverbPassive Voice with ModalsModals TensesWish / If only ( Present)Conditional Sentence 0, 1Adjective vs AdverbArticles and NounsModals of AdviceOther quiz:
Grammar › ViewThe larger the apartment is, the ____ its price is.
A. expensive
B. more expensive
C. expensively
D. most expensive
Grammar › View
I ate way _____________much breakfast this morning.
A. to
B. two
C. too
John is ___ organizing the event.
A. must
B. need to
C. responsible for
D. ought to
Grammar › View
Water—— at 100 degrees Celsius.
A. is boil
B. boil
C. doesn’t boil
D. boils
