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

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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:
Adverb Clauses › ViewShe failed the test __________ she didn’t study enough.
A. Â until
B. before
C. Â unless
D. since
Grammar › View
What words are these?
A. nouns
B. verbs
C. adjectives
D. adverbs
The 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
