Auxiliaries with Perfect Infinitives (mixed)

I (BUY) bread, but I didn't know we needed it.

(a)  

I (TAKE) any money to the museum - I didn't realise it was free to enter.

(a)  

There's no pizza left. The guests (EAT) all of them.

(a)  

I'd like to buy a new laptop, but I don't have enough money rigth now. I (START) saving money some months ago.

(a)  

I can't find the homework in our GoogleClassroom. Our teacher (UPLOAD) it so far.

(a)  

The boss told us, we have extra 5 days to finish the project, so we _________ so hard to finish it.

• needn't have worked

• should have worked

• could have worked

• can't have worked

Oh, you really _________ flowers ! A nice evening out would have been enough.

• needn't have bought

• needn't have spent

• shouldn't have bought

• shouldn't have spent

I haven't seen Linda recently. She _________ away on holiday.

• should have travelled

• shouldn't have travelled

• can't have travelled

• may have travelled

Our flight is delayed, so we _________ hurried so much.

• shouldn't have

• must have

• needn't have

• could have

The prisoner ________ through the window, because it's too narrow.

• must have climbed

• must have escaped

• can't have climbed

• can't have escaped