[ Preposition and Word Form ]
Scientists are looking for ways to cut ____ the cost of renewable energy sources.
A. back
B. up
C. off
D. down

Random Topics:
Grammar and EssayFirst ConditionalsModals and PhrasesTenses - AuxiliariesLinking Verbs & Helping VerbsFuture Continuous TenseComparatives, Superlatives & EquativesThird ConditionalsFOR & SINCESubordination ConjunctionsOther quiz:
Grammar › ViewThey ________ a new car last month.
A. buy
B. buying
C. bought
Prepositions › View
I woke up ____ eight o’clock ____ the morning.
A. At – in
B. In – at
C. At – on
D. On – to