At the railway station, the mother waved goodbye to her daughter until the train was ___.
| A．out of sight | B．out of reach |
| C．out of order | D．out of place |
A man with a bleeding hand hurried in and asked, “Is there a hospital around ______ I can get some medicine for my wounded hand?”
| A．that | B．which |
| C．where | D．what |
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.
| A．that; expects | B．those ; will expect |
| C．that ; is expected | D．one ; will be expected |
Everyone knows that _______ is dangerous to play with fire, but _______ is difficult is to prevent children from playing with fire.
| A．it, it | B．what, what |
| C．it, what | D．what, it |
My friend Mary is _____ beautiful girl and _____ girl everyone likes to work with.
| A．a, a | B．a, the |
| C．the, a | D．the, the |
—Do you let your kids travel by themselves at night?
—________! It couldn’t be more dangerous.
| A．Of course | B．Not at all | C．Absolutely not | D．I’m not sure. |