Each of the Olympic athletes ____________ for months, even years.
A. have been training
B. Were training
C. Has been training
D. Been training
Leach vs. LeechAdjective ClauseFarther vs. Further Auxiliary Verbs (be, do, have)Parts of SpeechIndefinite PronounsSuch...that, so ......thatPast simple regular verbsPresent Simple & Present Progressive Tense
Other quiz: Present Simple and Present Continuous
Listening to music is one of the most popular leisure ________.
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