．—You didn’t take the high-speed train with the leading letter "G" to Shanghai?
—________. I still took the "D" train, which saved me more than 50 yuan．
| A．Yes, I didn’t | B．No, I did | C．Yes, I did | D．No, I didn’t |
78.It was not _____ she took off her glasses _____ I realized she was a famous film star.
| A．when , that | B．until , that | C．until , that | D．when , then |
79.I was disappointed with the film . I had expected ______ to be much better.
| A．that | B．this | C．one | D．it |
80.It was not until 1920 ______ regular radio broadcasts began.
| A．while | B．which | C．that | D．since |
81..______is a fact that English is being accepted as an international language.
| A．There | B．This | C．That | D．It |
82.I was only when I reread this poems recently _____ I began to appreciate their beauty.
| A．until | B．that | C．then | D．so |