John and Mary / not / skate
A. John and Mary isn’t skating.
B. John and Mary aren’t skating.
C. John and Mary aren’t skateing.

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Adjectives, Adverbs, and PrepositionsPreference & Future TensePRESENT SIMPLE vs PRESENT CONTINUOUS + QUANTComparative - SuperlativeInfinitivePresent/Future/Past Simple/Present PerfectVerbs: Action, Linking, and HelpingTypes of Sentence StructuresPresent Simple x Present ContinuousThe Structural Types of SentencesOther quiz:
Grammar › ViewNASA would gather data; and the Space Shuttle would work on returning spaceships intact from space journeys.
A. No change
B. gather data. And the
C. gather data, and the
D. gather data, the
Comparisons › View
Nick is ______(happy) boy that I know.
A. happier
B. the happiest
C. happiest
D. happy
Comma › ViewChoose the correct sentence.
A. Top Gear has three presenters Jeremy Clarkson, James May and Richard Hammond.
B. Top Gear has three presenters: Jeremy Clarkson, James May and Richard Hammond.
C. Top Gear has three presenters, Jeremy Clarkson, James May and Richard Hammond.
D. Top Gear has three presenters; Jeremy Clarkson, James May and Richard Hammond.
IELTS Vocabulary › View
to produce something in such a way that it makes profit
A. produce profitably
B. advance payment
C. calculate
D. destruction
