[ Grammar ]
Everyone should act ______in order to protect our environment.
A. responsible
B. responsibility
C. responsibly
D. responsibilities

Random Topics:
Past Simple VS Used toPast Continues TenseTOEIC Tenses, VerbsPrepositions and TensesTransitive and Intransitive VerbIndefinite Article“Put” Phrasal VerbComplex SentencesAdverbial Clause of Cause and EffectCausative VerbOther quiz:
Narrative Tenses › ViewWhat tense is suitable for expressing an action that happened before another past event?
A. Past perfect
B. Past continuous
C. Past simple
D. Past perfect continuous
Grammar › View
I’d like ___________________.
A. you join us
B. you to join us
C. you joining us
D. your join to us
Grammar › ViewThe judge banged the gavel, and a hush fell instantly over the courtroom.
A. fragment
B. sentence
C. compound
D. run-on
Tenses › View
They    …       building the new wind farm yet.
A. haven’t finished
B. didn’t finished
C. have finishedÂ
D. finishedÂ
