[ Conjunctions and Preposition ]
The river water is severely polluted, mostly________ the dumping of raw sewage.
A. due to
B. lead to
C. because
D. so

Random Topics:
Grammar: AgreementPassive with ModalsMixed ConditionalGerunds, Infinitives and ParticiplesPrepositions Of PlaceNoun and PronounPresent Simple QuestionsCommas and Subordinating ConjunctionsConjunctions, Prepositions and InterjectionsIndefinite and Reflexive PronounsOther quiz:
Verb › ViewWe ____________________every kind of camera. (past tense of study)
A. Studied
B. Studies
C. Will study
D. Had studied
E. Will have studied
Grammar › View
The best things in my life ____ been my family and friends.
A. has
B. have
C. had
I wish I ___ taller.
A. am
B. were
C. is
D. will be
Grammar › View
Sofia _____ her hair everyday
A. washs
B. is washing
C. washes
D. washed
