Grammar Quiz

[ Vocabulary ]

An idea or principle that explains something.

A. concept

B. factor

C. benefit

D. impact

Select your answer:
A  B  C  D  E 


Random Topics:

Conditionals / Unreal PastModal AdverbsTenses and ComparisonsTenses and Word FormationTenses - Irregular VerbsPerfect Progressive TensesCountable & Uncountable NounsSentence Adverbs & Third ConditionalDirect-Indirect SpeechActive-Passive Voices

Other quiz:

Grammar & Vocabulary › View

Which of the following is a detail from the section “A New Lab”?

A. He was allowed to set up a science lab in a baggage car until an accidental fire ended his experiments.

B. There, Edison worked tirelessly for many hours each day, and many of his employees worked just as hard.

C. After a few years, Thomas Edison decided that he wanted to become a full-time inventor.

D. Sitting in the dark for a few moments, people could think about the great changes Thomas Edison had made in their lives.


Past Perfect and Past Perfect Continuous Tense › View

I was really relieved when I found the documents. I _________ (look for) them whole morning.

A. had looked for

B. had been looked

C. had been looked for

D. had been looking for