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 .


Related Questions:

They _________ the tea during the break time.

They ..... newspaper every morning.

Use the correct tense form of the verb given in the brackets. I (know) him for 12 years.

They _____ written three letters already.

Prasanna ................. reached Bangalore by this time.