We must know what we should do and what we should avoid ______a good impression on others in public place.
. 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.
. The whole class, as well as the teacher, ________ deeply moved/touched/affected by the film which is being shown.