1.   She opened the curtains .

2.   Would you mind opening the curtains?

3.   She opened the curtains to let in the light.

4.   Shall I open the curtains?

5.   Getting out of bed, Rachel flung open the curtains and looked out at the September morning.

6.   Can you open your curtains, at the windows.

7.   As I climbed higher it seemed as if I had somehow opened a curtain and escaped one world for another.

8.   Because heredity only sets the stage for manic depression and schizophrenia, while environment opens the curtain, identification of even a central gene will provide limited answers.

9.   Director Fleming has a feverish vision that throws open the curtains to the netherworld, to creepy and lasting effect.