He is a shy man,___he is not afraid of anything or anyone.

A. so              B. but

C. or              D. as

_______online shopping has changed our life , not all of its effects have been positive.

A. Since           B. After

C. While           D. Unless

The children, ______ had played the whole day long, were worn out.

A. all of what          B. all of which

C. all of them         D. all of whom

We have launched another man－made satellite，________ is announced in today's newspaper.

A. that                B. which

C．who                D．what

Many countries are now setting up national parks  ________  animals and plants can be protected.

A. when                 B. which

C. whose                D. where

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

A. whose             B. that

C. who                D. which

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

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

A. what               B. which

C. where              D. how

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

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

A. as               B. that

C. when            D. where