[ 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:
Grammar › ViewGo _______the steps until you get to the bottom.
A. down
B. up
C. along
Vocabulary › View
There is a new art ….. on the city gallery.
A. exhibition
B. sightseeing
C. appointment
Grammar › ViewI 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
