In the face of all these difficulties，we’re not discouraged and________good spirits.

______ you read it, you can’t imagine how moving the story is.

ne thinks and feels is mainly_____ traditions, habits and education

It’s reported that Nanjing Metro Line 3 was in service __________ April 1,2015.—What _________ exciting news! I believe the public transport system of Nanjing will be much better.

Some research workers completely all those facts as though they never existed