GRAMMAR! Present perfect simple: positive form I have/has downloaded an app whit an offline city map.
Fiona have/has planned how much money she would like to spend in Belfast.
We have/has looked up festivals.

I have downloaded an app whit an offline city map.

Fiona has planned how much money she would like to spend in Belfast.

We have looked up festivals.

I hope this is right.

the word that best matches the meaning of the expression "went to the big ocean" is died.

the goldfish died, which is why the father looks at the children mournfully. the "big ocean" is the father's way of saying fish heaven. he could have just said that the goldfish died, but this way, the children imagine the fish in a bigger, better place instead of just picturing a dead fish.

explanation:

well, number 1, the 1920s was not economically prosperous until the start of the lend-lease act, which employed large amounts of people in producing equipment for the allies.

b. world war ii is your answer, because wwi had already ended at 1918, and the cold war was after 1945.

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