AT collocations

We can't possibly reach the city tonight but .......... reach the nearby village.
1. at best
2. at all costs
3. at present
I do not know exactly how to proceed.
1. I am at a loss about how to proceed.
2. I have no ability about how to proceed.
3. I am incompetent to proceed.
We managed to sell our car ..........
1. at a pinch
2. at a loss
3. at a profit
I'm not sure, but .......... may be able to get the info you want.
1. at first hand
2. at a pinch
3. at will
I won't be able to meet you when I come to London, but we'll meet later ..........
1. at heart
2. at once
3. at least
I didn't recognise her .........., but later realised who she was.
1. at last
2. at first
3. at length
He didn't speak at first, but .......... he muttered a few words of welcome.
1. at first
2. at length
3. at the same time
I am your father and have your welfare ..........
1. at heart
2. at will
3. at ease
We didn't win the football match, but didn't lose ...........
1. at any event
2. at a pinch
3. at bet
I am so popular I can come and go .......... without being questioned by the guards.
1. at most
2. at will
3. at heart