Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. 

Some animals are in danger of extinction as humans are hunting it for meat.

He's really got the bit between his ___________ so that he can pass the exam with flying colours.

The company should allow flexible working hours so that its employees can avoid traffic congestion.

He's a widower who _________ three children. 

You should ask for Henry's advice; he is very ___________ 

Everything's a bit more expensive here and property prices are extremely high. A lot of people have no choice but to live in the ____________ and commute in to work. 

It is not advisory to make travel arrangements during this time when the Covid-19 pandemic is still spreading at an unprecedented rate. 

It's not a good idea for us to swim in this lake.