A ella. It is the only one that goes with le.
1a) it's one o'clock
1b) it's quarter past one.
1c) it's half past one.
2a)it's three o'clock
2b)its quarter past three
2c) it's half past three
3a) it's quarter past seven
3b) it's quarter to seven.
3c) it's quarter to eight
4a)it's ten past ten.
4b) it's ten to eleven.
4c) it's ten to ten.
The answer is the first one
Nos hemos peleado
Which verb correctly completes the sentence? Fernando y yo __________ al mercado el domingo pasado.?
Answer : Fernando y yo fuimos al mercado el domingo pasado.
Explanation : The subject is "Fernando y yo", that's plural, so the verb must be conjugated in third plural person. The time expression "el domingo pasado" indicates that the verb must be in the past.
Hope this helps!