[ Grammar Clauses ]
Factories allow these dangerous substances to pour into the rivers, ___ their chimneys fill the atmosphere with poisonous fumes.
A. while
B. where
C. although
D. so that
Random Topics:
Transitive or Intransitive VerbsPresent, Past and Future TenseSubject Verb Agreement Irregular VerbGrammar and IdiomsModals and PhrasesConjunctions - ConnectorsNoun QuantifiersModal AuxiliariesVocabulary and DefinitionsTypes of Sentence StructuresOther quiz:
Grammar › ViewHow long have you been waiting?
A. For 3 hours
B. Since 3 hours
C. 3 hours ago
Verb Tenses and Usage › View
. How long ___ your best friend?
A. is
B. are
C. was
D. were
Preposition › ViewWhat are you talking _______ ?
A. about
B. on
C. with
D. to
Grammar › View
Sinta and Jojo _____ many songs
A. Sing
B. Sings
C. Singing
D. Sang