In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.

Comprehension:
In July, 1937, the Japanese used an incident to provoke a war. They (1) ______ China and occupied a major portion (2) ______ it. Chinese and Japanese (3) ______ clashed in northern China, throwing the entire country into (4) ______. Millions of people were shot (5) ______ death.