Choose the answer1)When I arrived,Anthony... with his younger brothers. A)

Choose the answer
1)When I arrived,Anthony... with his younger brothers.
A) was playing
B) has been playing
C) had been played
2) The train wasn't there. It _ already.
A) had been left
B) had left
C) has left
3)Tara is exhausted.She ...
A) has been running
B) had been running
C) has running
4) How long ...each other when they got married?
A) had they known
B) have they known
C) did they know
5) I didn't have much to eat at lunch because ... a lot at breakfast.
A) I would have eaten
B) I had eaten
C) I was eating
6)She ... to speak English before she arrived in America.
A)had learned already
B) will have already learned
C) had already learned