Question:
I _____ for half an hour now.
Ahas been waiting
Bhave been waiting
Cwas waiting
DNone of the above
Answer:
B. have been waiting
Explanation:
when time word 'for' comes in a sentence present perfect continuous tense is used .
Question:
Ahas been waiting
Bhave been waiting
Cwas waiting
DNone of the above
Answer:
when time word 'for' comes in a sentence present perfect continuous tense is used .