[ 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:
Mixed Tenses › ViewDid Miss Soh and her students _____ one of the best performances last week?
A. watch
B. watched
C. watching
D. were watching
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Miss Pauline gave _______ best friend a nice gift.
A. his
B. my
C. her
D. its
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The puppy has been barking for an hour.
A. main verb
B. helping verb
Simple Present Tense › View
The dog__________ in the house
A. Play
B. Plays
C. Played
D. Playing
