— It’s one o’clock now. I must go.

                  — It’s raining outside. Don’t leave       it stops.

                  A. when                      B. since                         C. while                             D. until

— It’s one o’clock now. I must go.

                  — It’s raining outside. Don’t leave       it stops.

                  A. when                      B. since                         C. while                             D. until

 —It’s one o’clock now. I must go.

—It’s raining outside. Don’t leave           it stops.

A. when                                         B. since                                C. until

 —It’s one o’clock now. I must go.

—It’s raining outside. Don’t leave           it stops.

A. when                                         B. since                                C. until