He put a finger in his mouth, ______ it and smiled, ______ rather pleased.
11. How time flies! You should make _____ use of your time.
10. East and west, home is _____.(prov.)
9. Some girls are _____; a few, but very few, are _____.
8. --- How is your friend now? --- I am sorry to tell you he is going from ____ to worse in the hospital.
7. David was lying in bed, _____ , listening to an English pop song.