[ Abstract Noun vs Concrete Noun ]
Happiness
A. Concrete
B. Abstract

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Intermediate PrepositionsBecause / soRelative & Interrogative Pronouns-ing / InfinitiveAbilityGrammar & VocabGerunds/InfinitivesLinking Words and PhrasesPresent/Past/Past ParticpleTAG QuestionsOther quiz:
Vocabulary › ViewWe study different ______ in English, such as linguistics, phonetics, and semantics.
A. classics
B. domains
C. assignments
D. documents
Grammar › View
I … you should buy him a tie.
A. Thinking
B. Think
C. Am thinking
D. Thinks
Look! George _________ French to that man over there and they are having an interesting conversation.
A. was speaking
B. is speaking
C. spoke
D. has spoken
Grammar › View
Have you ever expected ____ an astronaut?
A. to become
B. become
C. becoming