[ Subordinating Conjunctions ]
Many sewage system in the main cities of the country are cleaned up before rainy season _____ garbage clogs the pipes.
A. than
B. which
C. because

Random Topics:
Adverbs & to beModals and PrepositionPersonal pronouns + possessive adjectives + Introgative pronounsGrammar: MorphologyRelative Clauses PronounsWH- Question WordsLinking Verbs & Helping VerbsPast Simple VerbsDirect Object and Indirect ObjectGrammar: so and suchOther quiz:
Tenses › ViewI __________ to Mike at the party. He’d already left when I got there.
A. talked
B. was talking
C. didn’t talked
D. had talked
Grammar & Vocabulary › View
When I was at college, I usually got up early ____ weekdays but Aisha ____.
A. at …. hadn’t
B. on …. didn’t
C. on …. doesn’t
Vocabulary › Viewcausing or feeling regret
A. compunctious
B. flout
C. cherub
Sentence Structure › View
She studied hard for the exam, she wanted to get a good grade.
A. Complete
B. Fragment
C. Run-on
