[ 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:
Future Tense Verb › ViewForming future tense with ‘will’: What is the future form of the verb ‘eat’?
A. will eating
B. will eat
C. ate
D. eaten
Grammar › View
I am_____a car.
A. not rich enough to buy
B. too rich enough to buy
C. poor enough to buy
so rich to buy
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
