[ Present Tenses ]
A: Are you busy? B: Yes, I ________________ after my younger sister.
A. look
B. am looking
C. have looked
D. have been looking

Random Topics:
Adjectives and PrepositionsVerb ConjugationVerb AgreementAdjective ClauseNoun / PronounIdentifying TensesVocabulary and ModalsPresent Perfect Simple and ContinuousWH Questions and Simple Past TensePassive Voice Present SimpleOther quiz:
Past and Perfect Tenses › ViewLast night, they ______ (watch) a movie.
A. watches
B. watched
C. have watched
Grammar › View
In the morning, I _____ to brush my teeth.
A. has
B. have
Verb Tenses › ViewWhich sentence is in the future tense?
A. He plays the piano beautifully.
B. He will play the piano at the concert.
Idioms › View
He got a lot of points the last round.
a. racked up
b. rained
c. read
