What about ______ bike— Do you think it all right to buy him that bike as______ birthday gift

This Englishman is good at writing, reading and ________ is kind to others.[ ]

Published in 1974，the book was a(n) ________ success and was soon translated into thirteen foreign languages.

To complete the project as planned, the workers were busy working all day, only ______ a short rest once in a while.

_______ such heavy pollution already, it may now be too late to clean up the river. [ ]