[ Grammar and Structure ]
Before electricity was discovered, oil lamps _______.
A. used
B. has used
C. has been used
D. had been used

Random Topics:
Past Simple and Past Continuous TensesSo or SuchGerund, Infinitive & ModalsIndefinite and Intensive NounPrefixes SuffixesAdverb or AdjectiveGerund/ To Verb/ VerbDEGREE COMPARISONPassive Voice - Present Simple and Past SimpleVerbs and PrepositionsOther quiz:
Grammar › ViewWhose jackets are these?
They’re …………………… jackets.
_____
A. their
B. ours
C. my
D. her
Conditional Clause › View
The if-clause can come…
A. first only
B. second only
C. first or second
Mixed General Quiz › ViewHe said it was just a small scratch referring to a large dent.
A. Understatement
B. Synecdoche
C. Irony
Grammar › View
An adjective of size is …
A. big
B. beautiful
