Task 5. Change the word given in capitals so it would fit the sentence lexically and
grammatically.
1. They have already discussed the most important … problems.                       ENVIRONMENT
2. If you want to be healthy, you should care about the … of the environment .       PROTECT
3.  Feeding animals in the Zoo is strictly .                                                             PROHIBIT
4. The weather in April is always … : it may be rainy in the morning and warm and           CHANGE
sunny in the afternoon.
5. He has read a lot of articles about space                                                            EXPLORE