[ Grammar ]
A:Look! Your cat is dancing! ______ it do that before? B:Yes, it ______ did when(當……時)it was happy.
A. Does; usually
B. Did; seldom
C. Did; danced
D. Did; always

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Tense,noun,preposition,quantityPhrasesTenses and VerbsAdverbs & to beSimiles, Metaphors, Personification and HyperboleUsed toPresent Perfect - Just, Already, YetComparisionsV-ing/to-VModal and Auxiliary VerbsOther quiz:
Past Simple, Past Continuous, Past Perfect, Past Perfect Continuous › ViewWhat’s that floating __ the water?
A. on
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C. at
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Articles › View
I wan to drink ___ water.
A. –
B. the
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A. main verb
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Simple Present Tense › View
The dog__________ in the house
A. Play
B. Plays
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D. Playing
