---When did you see the bird last night?---It was at about ten thirty ______ I got home.
Hardly ______ he got out of the court ______ the reporters raised a lot of questions to him.
Perhaps the day will come ____ people will be able to breathe clean air in cities.
Modern forms of transportation and communication have done much to ______ the isolation(隔离)of life in Alaska.
I can ________ the house being untidy, but I hate it if it’s not clean.
_________ Kunming you see today is quite _____ different city from what it used to be. A.The, 不填 B.不填, a C.The, a D.A.a