[ 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:
Grammar › ViewWhat do they have at home?
A. They are lessons at home
B. They has lessons at home
C. They have lessons at home
D. They are have lessons at home
Modal Verbs › View
What auxiliary verb is necessary in negative and interrogative sentences with “used to”?
A. Do
B. Does
C. Did
D. Have
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
