One way to preserve species _____ threat of extinction is to remove them to zoos an

One way for the region to use water efficiently is to ______.A．develop other enterprises t

Since ancient times people have found various ways to preserve meat.A．eatB．cookC．freezeD．k

One good way to master the ideas of an article is to make a（n)______ of it.A．abstractB．dig

As described in the passage, passion______.A．has nothing to do with workB．is one way to co

I like to think ______. I am always the one finding new ways to a situation or challe

In the last paragraph, "one-way street" probably means______.A．financial health leads to p