The old man who had fainted was helped by the (a)   who arrived with a stretcher.

The fire spread quickly to the rest of the houses (a)   due to the strong wind.

Students have been reminded to exercise the kerb drill while waiting for the cars to stop at the (a)   .

Mr Tan could hear (a)   from the cars speeding along the road near his house.

The pedestrians quickly moved away to clear the roads when they heard the (a)   of the police cars.

The inconsiderate shoppers (a)   the crowd as they rushed to purchase groceries in the supermarket.

We had just (a)   a great surge in the numbers of people infected with Covid-19 last weekend.

Many (a)   stopped to see what had happened but did not offer to help the accident victims.

Those (a)   tried to cross the busy roads, oblivious of the danger that they were in.