The book has helped me greatly in my daily communication, especially at work ________ a goodimpression is a must.

A. which B. when

C. as D. where

The exact year Angela and her family spent together in China was 2008.

A. When B. where

C. why D. which

John invited about 40 people to his wedding, most of ________ are family members.

A．them B．that

C．which D．whom

____is often the case with children, Amy was better by the time the doctor arrived.

A. It B. That

C. What D. As

Nowadays people are more concerned about the environment ________ they live.

A. what B. which

C. when D. where

There is no simple answer, ________ is often the case in science.

A. as B. that

C. when D. where

He may win the competition, ________ he is likely to get into the national team.

A．in which case B．in that case

C．in what case D．in whose case

He wrote a letter ________ he explained what had happened in the accident.

A. what B. which

C. where D. how

The president of the World Bank says he has a passion for China，________ he remembers starting as early as his childhood.

A．where B．which

C．what D．when

The book tells stories of the earthquake through the eyes of those ________ lives were affected.

A. whose B. that

C. who D. which