The conservation area is very important for preserving many animals and plants, which would ______ run the risk of becoming extinct.

As these goods are of different styles, the prices ___ 100 yuan to 9 yuan.

 Jim went to answer the phone.         , Harry started to prepare lunch.

Tom was caught cheating in an important exam. _____, he lost a golden chance of taking part in this competition.

It is commonly assumed that the growth of GDP and the development of people’s living conditions are not _______cause and effect.