Helen is much more kind to her youngest child than to the others,___________ of course, make the others unhappy.

This coat will lose its color ___________ it’s washed.

------ What happened to you yesterday evening? Why didn’t you finish your work?
------____ the lights off, we could not continue our work. As a result, we had to leave.

___ Mr Morgan appears extremely cheerful in public, he is in fact leading a very unhappy life.

______housing prices are going up madly, it is almost certain that the local government focuses not on improving people’s life but on trying to earn money by selling state land.

   The UN has warned that,_____ natural systems like forests and wetlands disappear , mankind is losing the services they provide such as protection from extreme weather.

The school _______ he once studied in is famous.

___________ she was chosen made us very happy.

Jeff _______ parents died in the earthquake became a orphan.

. As a new graduate, he doesn’t know_______it takes to start a business here.