30. The No. 5 subway line, ______in October, 2007, has greatly improved the traffic conditions in Beijing.
— Isn’t it amazing that I met Francis at the Christmas party?—Really?For how many years ____ each other?
Maria would not go to the party, as she had no fine dress, no jewelry _____.
The reason why he adapted to the new situations quickly is that he has a _____ attitude.
--May I have a talk with one of your sports reporters? --Sorry, but all of them are out to______the main events of the day.
What worried the child most was ______ to visit his mother in the hospital.A. his not allowing B. his not being allowedC his being not allowed D. having not being allowed