[ Grammar ]
He tried to explain his problems to his parents, but they just ____ how serious it was. (not / understand)
A. dont realise
B. are not realising
C. didnt realise
D. were not realising

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Tenses and Passive VoiceComparisionsLet & Be allowed toRelative Pronoun/AdverbsPhrases & ClausesAdverbs & to beGrammar - FragmentsModal AuxiliariesPositive and Negative ConnotationsSimple Present Continuous TenseOther quiz:
Grammar › ViewMary _____ her black skirt now.
A. irons
B. is ironing
C. ironed
Phrasal Verb › View
The competition is tomorrow. Everyone is counting on you. You can’t _______________ now!
A. back down
B. back out
C. back away
D. back up
Grammar › ViewShyn Yen always __________ off her mobile phone while she is at work.
A. switch
B. switches
C. switched
D. switching
Vocabulary › View
complex, having many details or pieces
A. retains
B. altered
C. sophisticated
D. lore
