Environment(环境) is very________，but you don’t understand the_______ of it，you always drop litter everywhere．

The external environment encompasses _________. ______ to improve our environment? s present environment situation is from bad toworse and if we _________ now to protect the environment, we’ll live to regretit Although most firms agree that a clean environment is desirable, they may disagree on how much responsibility they have for improving the environment. s present environment situation is from bad toworse and if we _________ now to protect the environment, we’ll live to regretit. The vagina maintains an acidic environment by There will be a talk _____________environment this aftermoon.[ ] many to sustainable management of the environment After the improvement of the hospital environment,_______. _______ farming is better for the environment. Let yourself ___________ to the environment. Sorting wastes is good ________ the environment.[ ] Which is not the major environment issues of America? ________ plastic bags we use, ________ it will be to the environment. Everyone should make a contribution the environment. Tips on How to Protect the Environment：Save rainwater How can recycling help in protecting the environment? Tips on How to Protect the Environment：Go organic Tips on How to Protect the Environment：Travel more We should not sacrifice environment to fostereconomic growth（）