To determine the correct form of verbs required for each sentence, we need to pay attention to the rules of subject-verb agreement. Let's analyze each statement:
Based on the analysis above, the correct option is: (I-are); (II-was); (III-was); (IV-am).
The giant panda is a bear that lives in Central China. It is special because of its black and white fur. Pandas belong to the most ___ species of our world.
About 2000 pandas live in the wilderness and 300 live in ____zoos around the world.
Recently, there have been __ in many countries to save the giant panda.