A．other
B．honest
C．fond
D．knock

A．Giving a tree a special shape and a definite height.
B．Removing small side branches and making a tree look less thick.
C．Allowing too many branches to grow in the middle.
D．Having a tree surrounded by many other trees.

A．There was much more disorder.
B．This time the electricity supply failed.
C．People did not expect it.
D．Fewer people were arrested in the blackout of 1977.