[ Word Form & Verb Tense ]
There projects have proved to be very _____ in dealing with global climate change
A. effectively
B. effect
C. effective
D. effects

Random Topics:
Conditionals / Unreal PastGrammar ClausesLinkers and ConjunctionsGrammar - Present and Past PassiveFuture Perfect ContinuousVerb PhraseNounGrammar - Present Perfect TensePhrasal verbs and Prepositional PhrasesDirect and Indirect SpeechOther quiz:
Modal Auxiliaries › ViewI can’t go to movies with you. I ________my homework.
A. couldn’t finish
B. Have to finish
C. Has to finish
D. have to finished
Grammar › View
I have an English lesson_____Wednesday.
A. in
B. on