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

The children are extremely excited about the visit to the town where their grandparents were born in. 

Jenny has an _______ command of Japanese cuisine. 

By the time the software _______ on sale next month, the company ______ $2 million on developing it. 

The new airport has ______ a lot of changes on this island. 

The excursion is ______ unique opportunity to discover _______ wild in its natural beauty.

Pat, put all your toys away _______ someone slips and falls on them. 

Vietnam has played _______ high spririts and had an impressive 2-0 victory over Yemen. 

Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following questions.

- Mother: “How come you didn’t tell me that you would quit your job?”

          - Lisa: “__________.”