Question

—I think everyone must do his best to _______pollution.
—If so, there will be a good future for people of tomorrow.
A. keep                B. stop                  C. stand

Answer 1

:B

：此題重點考查選擇項動詞的含義，根據語境可知人人都要盡力阻止污染，只有這樣人類才有美好的未來。故選stop。