We have to ______ a time to discuss the matter again.
Language has always been —— as the phrase goes —— the mirror to society. English is no ______
A man with a bleeding hand hurried in and asked, “Is there a hospital around ______ I can get some medicine for my wounded hand?”
The world’s elderly population will exceed(超过) ____ of children by 2060,when each group ____ to account for about one fifth of the population.
Everyone knows that _______ is dangerous to play with fire, but _______ is difficult is to prevent children from playing with fire.
My friend Mary is _____ beautiful girl and _____ girl everyone likes to work with.