It was not ________ she took off her dark glasses ________ I realized she was a famous film star．

1. A.
   when; that
2. B.
   until; that
3. C.
   until; when
4. D.
   when; then

It was not _______ she took off her dark glasses _______ I realized she was a famous film star.

A. when; that B. until; that?

C. until; when D. when; then?

It was not ________ she took off her dark glasses ________ I realized she was a famous composer.

1. A.
   when; that
2. B.
   until; that
3. C.
   until; when
4. D.
   when; when