Reaching this agreement so quickly was a great____ for the meeting.
It is not always easy for the general public to see _____use a new invention can be of to their daily life.
More highways have been built in China, ______ it much easier for people to travel from one place to another.
To her joy, Della earned first the trust of her students and then ____ of her colleagues.
—How about ____ controlled breeding programme the US government began to save the red wolf?—I should say it was ____ success, you see its number has increased
—Linda didn’t invite us to her birthday party. —_______? I don’t care.