The reference to David and Goliath suggests that

From the passage: Who has not often observed two dogs, members of the same household…

According to the passage, the English sparrow is quarrelsome, pugnacious and it

The rich businessman bought a luxury duplex apartment that must have cost a/an _________.

The journal published unverified details about the company's lack of business _________.

We had tried so hard to keep Maya's birthday party a surprise, but at the last minute someone _________.

When the young man's father had a heart attack, the whole family panicked; he was the only one who _________ and immediately sent for an ambulance.

My roommate either hosts or attends parties every other day _________.

The philosophy professor confused his students with a complex ethical problem; Meera was the only one who understood it and gave a/an _________ response.

While travelling on the highway my car had a flat tyre; to _________, it started to rain and I got drenched.