Now methods need to be to use the existing water resources, for example, turning sea water into fresh water.
—I am really struck by your spoken English. You speak so fluently. Have you been abroad. —Yes, I ________ in London for two years.
Beethoven is my favorite musician. I regard him ______ other musicians.
Teachers have to constantly update their knowledge in order to maintain their professional ____.
You must have read about Mark Twain long ago, ____?
Everyone doesn't agree to the plan. Some support it while I'm one of ___ opposed to it.