[ Vocabulary and Idioms ]
When there is a surplus electricity on the grid, these facilities use that power to pump water from the lower _______ to the higher one.
A. reservoir
B. lake
C. puddle
D. pond
Random Topics:
Grammar: is/are/was/wereGerunds as Objects of PrepositionsVerb ConjugationFigure of SpeechNoun Clauses with THATGrammar and VocabulariesAsking & Giving OpinionFirst Conditional SentencePassive Voice with Modal VerbsTenses and StructureOther quiz:
Grammar › ViewNicholas went to outside during the snow storm, ……. he feels cold now.
A. For
B. But
C. So
D. And
Grammar Pronoun and Singular Plural Noun › View
We saw many empty ________ in the storeroom just now
A. boxs
B. boxies
C. boxes
D. box
Contrastive Conjunctions › ViewWhich phrase is commonly used in spoken English to express contrasting ideas?
A. Though at the end of the second phrase
B. Despite at the beginning of the sentence
C. In spite of at the end of the sentence
D. Although at the start of the sentence
Grammar › View
Complete the sentence.
We were walking around Brooklyn _____ we _____ lost.
A. when, were getting
B. while, got
C. when, got