pls correct these answers

[speed2]

pLS CORRECT THESE ANSWERS

Q.1 In which country is the longest suspension bridge being built ?
A. The longest suspension bridge is being built in Japan.

Q.2 What happened to Tacoma Narrows Bridge ?
A. Tacoma Narrows Bridge had collapsed into peices due to high wind.
I want to know whether had will come or not in the answer .What will be the answer for this ?

Q .What had happened to Tacoma Narrows Bridge ?

PLS CORRECT THESE SENTENCES

1. UNDERNEATH
SEN-- lava was underneath the sea.
2.Twists
SEN--Life is full of twists and enjoyment .

THANKS IN ADVANCE

[Tdol]

2 I see no need for the past perfect in the answer- the wind had not finished before the bridge collapsed, so there's no sequence of events. I also think the past perfect question doesn't work without further context to show that something happened after the collapse.