[ Present Perfect Continuous Tense ]
They … anything for the past hour.
A. haven’t been doing
B. hasn’t been doing

Random Topics:
NumbersModals, Infinitives and GerundsFirst & Second ConditionalNarrative, Past TensesModal Auxiliaries and To Be VerbsZero & First ConditionalAdverbs and Time ExpressionsGrammar / PronounsAdverbs of frequencyFigurative Language VocabularyOther quiz:
Conjunctions › ViewComplete the sentence using the coordinating conjunctions.
I’m always eating, _______ I’m always hungry.”
A. for
B. yet
C. nor
D. so
Grammar › View
What type of sentence is the sentence below?
Rock climbers concentrate on the climb, and they practice as often as possible.
A. Simple Sentence
B. Compound Sentence
C. Complex Sentence
Phrasal Verbs › ViewI had to look _______________ that word in the dictionary.
A. down
B. back
C. across
D. up
Grammar › View
They might be very hungry because they eat everything.
A. TRUE
B. FALSE
