Our government’s plan to fight against air pollution will focus on________information and handling PM 2.5.
. Statistics ________ that most of the published and quoted scientific articles are related to medical science.
. Times ________ hard but the New York Times still ________ a wide circulation.
. Two hundred dollars ________ a small price to pay for the secondhand refrigerator.
. Many a man ________ swimming in the river, but only ________ can swim across it.
. Man, just like lower forms of life, ________ the product of the evolutionary process.