the road ,don’t forget to look bothways

When we got there, he was about to leave So he only had time to explain _____ to us how he _____ our plan [ ]

do I need to feed the pet dog —Twice a day.

The man insisted _____ a taxi for me even though I told him I lived nearby.

Are you satisfied with what he has done? — Not at all. It can’t be ________.