"Fill in the blank with the future perfect continuous tense form of the verb given in the bracket.
"We ______ for five hours by the time he arrives." (wait)"
1
will have been waiting
2
are waiting
3
will be waiting
4
have been waiting
"Fill in the blank with the future perfect continuous tense form of the verb given in the bracket.
"We ______ for five hours by the time he arrives." (wait)"