Not until Betty got to the airport _____ she had lost her tickets.
| A．that she realized | B．did she realize | C．where she realized | D．she realized |
81. Male and female students are quite different from each other ______ the age at which they begin to develop an intellectual self-discipline.
| A．with regard to | B．in the light of | C．in honor of | D．on account of |
82. Recently CCTV station has taken great _____ to make a program that reviews the important ______ of the past 20 years.
| A．steps; affairs | B．efforts; matters |
| C．pains; events | D．efforts; incidents |
83. --- I’ve looked everywhere, but I haven’t found any black ink.
--- Then, I’m afraid there is _______ left.
| A．no one | B．none | C．neither | D．Nothing |
84. Not far from the club there was a garden, ______ owner seated in it playing bridge with his children every afternoon.
| A．whose | B．its | C．which | D．That |
85. He insisted that the sky ______ clear up the following day.
| A．would | B．should | C．had | D．Be |