[ Vocab Checking ]
This library contains huge … of knowledge
A. river
B. reservoir
C. treasure
D. number
Select your answer:

Random Topics:
Phrasal Verbs and GrammarPassive Voice, Modals of Deduction and First ConditionalGrammar: Have toSimple and Progressive Verb TensesIndirect SpeechModifiersGerund NounSimple TenseUse of Prepositions or ConjunctionsPassive with ModalsOther quiz:
Appositive Phrase › ViewMy friend, who was a successful high school student, has created a high-quality website.
- who was a successful high school student
- has created a high-quality website
- my friend
- none
Grammar › View
I ______ a biography of Vo Nguyen Giap when the phone ______.
A. was reading / rang
B. read / was ringing
C. read / rang
D. was reading / was ringing
