DIRECTIONS

In the following passage, some of the words have been omitted. Read the passage carefully and choose the correct answer to each question from the four alternatives. 

Many kinds of insects are (76) and larger animals learn to (77) eating them. It is in the (78) of these insects to show a (79) flag of some kind. The typical wasp, for example (80) a conspicuous colour pattern of black and yellow bands on its body.