19.The prices of goods kept ____. We had to cut the expenses in order to meet our daily needs.
My grandma always puts everything in the house ______, so it looks every tidy and neat.
If you ______ succeed, apply yourself to the job after finding the proper ______ to doing it.
—Do you think students’ using mobile phones has any advantages? —______.
Everyone knows that ______ is dangerous to play with fire, but ______ is difficult is to prevent children from playing with fire.
Keep in mind that you should try to spend your time on what you find ______.