I _____ for half an hour now.
Ahas been waiting
Bhave been waiting
Cwas waiting
DNone of the above
Ahas been waiting
Bhave been waiting
Cwas waiting
DNone of the above
Related Questions:
The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
The workers had been repairing / the mall road in / town for / several days now.