[ Abstract Noun x Concrete Noun ]
Smog, a serious problem in many big cities, effects everybody differently.
- abstract noun
- concrete noun

Random Topics:
Gerund or to InfinitiveAdverbs, Prefixes, and SuffixesDemonstrative SpeechPossessive Adjectives and Possessive PronounsEnglish ArticleFirst and Second ConditionalConditionalsPrepositions and Prepositional PhrasesParticiple - ing/ edModal Verbs for SpeculationOther quiz:
Grammar › ViewThe cyclist is tired ____________ thirsty.
A. so
B. and
C. although
D. because
Conjunctions › View
Brian lost the key, __________ he can’t get into his room.
A. Because
B. So
C. And
D. But
Vocabulary & Grammar › View……………………………………………makes the workplace safer for tradespeople.
A. A pipefitter
B. A welder
C. An electrician
D. A safety officer
Tenses › View
I …… skating, but I ……. …………. cycling.
A. like/don’t like
B. am liking/don’t like
C. like/didn’t like
D. liked/haven’t liked
