The step you have taken is ________ much risk（冒险）.
| A．one of | B．the one of | C．the one | D．that one |
The old man was found walking near the river a cold morning.
| A．in | B．with | C．at | D．on |
I do enjoy when I’m listening to the sound of the rain.
| A．them | B．that | C．it | D．this |
Many couples feel lonely at home when their children to go to college.
| A．grow up | B．have grown up | C．grew up | D．had grown up |
I couldn’t stand the of not being able to help when my best friend was in trouble.
| A．frustration | B．motivation | C．expectation | D．Confusion |
It seemed that the birthday party was great success and everyone had fun.
| A．/ ; a | B．a; a | C．/; / | D．a; much |