[ Tenses ]
Environmental awareness ____ a worldwide movement since people ____ the effects of climate change.
A. is / has noticed
B. had become / started
C. was / are noticing
D. has become / noticed

Random Topics:
Tenses and StructurePresent/Past/Future Continuous TenseTypes of SentencesModal Verbs & Perfect InfinitiveModals of Necessity and SuggestionParallelism and Subject Verb AgreementPronounsInfinitive FormsPrepositions and TensesGrammar - FutureOther quiz:
Grammar › ViewThat was the __ cold I’ve ever had.
A. bad
B. most bad
C. worse
D. worst
Adverbs of frequency › View
0% of frequency means …
A. Never
B. Sometimes
C. Seldom
D. Always
Idioms › ViewTo divide into groups is the same as to ___ up.
a. screw
b. split
c. beat
Grammar › View
I __________ in a hospital. I’m a doctor.
A. work
B. works
