[ Future Perfect Continuous ]
They (watch) TV all day.
A. Will had been watched
B. will not have been watchin
C. will have been watching

Random Topics:
Zero & First ConditionalGerund or InfinitivesGrammar (Adverbs, Prepositions, Prepositional Phrases)Sentence and FragmentComparative and Superlative AdverbsModals of ProbabilityAdverbial ClausesAsking & Giving AttentionGrammar and VocabulariesGrammar - Place and MovementOther quiz:
Grammar › ViewI used to _______ swim for more than one hour but now I can’t even do 10 minutes.
A. able
B. was able
C. am able to
D. be able to
Grammar › View
I couldn’t imagine what _____ to her.
A. had happened
B. has been happened
C. has been happening
D. will happen
Grammar › ViewThe car is ________ old to be reliable.
A. enough
B. not enough
C. too
Tenses › View
. We ___ (to study) English every day.
A. studies
B. studying
C. studyed
D. study
