[ Grammar ]
The biggest problem of environment protection is the indifference of people who don’t care enough to get…
A. involved
B. concerned
C. engaged
D. joined

Random Topics:
Present Perfect Simple & ContinuousConjunctions and PrepositionsPast Perfect & Past SimpleThe -ing Form of VerbsHave as verb and auxiliaryModals, Infinitives and GerundsIELTS GrammarAuxiliary Verbs (be, do, have)Passive VoiceGrammar - much, many, a lot ofOther quiz:
Vocabulary › Viewgrasping, avaricious
A. inert
B. reciprocal
C. pallid
D. mercenary
Tenses › View
He (eat) donuts and (drink) fruit juice last Monday.
A. eat/ drink
B. eats/ drinks
C. will eat/ drink
D. ate / drank
