[ Present Tense ]
I ______ and my legs are really tired now.
A. am cycling
B. have been cycling
C. have cycled
D. am cycling

Random Topics:
Present Tenses and VocabularySynonyms and VocabularyAdverb Of PlacePreposition of TimeDefinite and Indefinite ArticleAdverbial ClausesPast Perfect TenseApologizingAdjective OrderFrequency AdverbsOther quiz:
Idiom and Tenses › ViewWhat does the idiom ‘kick the bucket’ mean?
A. To visit a new place
B. To take a leave
C. To pass away
D. To quit a job
Tenses › View
Vegetables ___ always watered by my little sister
A. is
B. are
C. was
D. were
Grammar › ViewMy bookcase, …… in my room, is stuffed with old books.
A. whose
B. which
C. that
D. who
Grammar Pronoun and Singular Plural Noun › View
We saw many empty ________ in the storeroom just now
A. boxs
B. boxies
C. boxes
D. box