It never will rain roses. __________ we want to have more roses. we must plant trees.
Comparison may make something appear more beautiful than it is when alone.
—Where is our English teacher? —She is in the classroom, _____ the exercises _________ the students have done at home.
To get an education, _______.
Tom does speak Chinese well, but his reading and writing skills leave much _______.
That gas pipeline project, in July 2002 and in 2005, will be China’s longest gas pipeline in history.