[ 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:
Perfect Tenses › ViewSorry Mr. Brown. I ______________ my homework at home.
A. have forgotten
B. forgot
C. forget
D. didn’t forget
Grammar › View
Complete the sentence with a Conjunction
We had a long history together ,_____________ it wasn’t enough to keep us from parting ways.
A. or
B. but
C. so
D. and
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
