... decrease d in fewness 10 These birds to North Africa in winter a settle b go c relocate d migrate III GRAMMAR AND STRUCTURE A Choose the word or phrase - a, b, c, or d - that best completes ... carnivores, but most of them don't attack people Some sharks are very small - the smallest shark is about inches long - about as long as your hand But some sharks are very large The largest species ... secret b ocean c migrate d herbicide II VOCABULARY AND DEPRESSION Choose one word or phrase - a, b, c or d - that best completes the sentence or substitutes for the underlined word or phrase 1 Some...