When I talked with my grandma on the phone, she sounded weak, but by the time we ___ up, her voice had been full of life

 In some developed countries, larger population is ______________ in their big cities.

On hearing the news of the road accidents, his face ________ pale.

In some countries citizens are ______ to vote, and if they don’t they get fined.

The flooding      the bridge, so we can’t walk across it forever.