.
As we all know, the advantage _______ is good for students’ self-improvement.
| A．they take of the library | B．they take the library |
| C．they take to the library | D．they take the library of |
It was not until the teacher came in ______ the students all shut up.
| A．did | B．that | C．that did | D．did that |
She didn't do well in the interview,so she failed to go to the university she______.
| A．applied to | B．was applying to | C．had applied to | D．would apply to |
"I must be off now "she said,and ______ that she hung up the phone.
| A．at | B．after | C．with | D．upon |
It was dark,and the rainy weather ______ the suffering of the lost travelers in the mountain.
| A．added to | B．led to | C．belonged to | D．related to |
A couple should respect ______ parents,which is of primary importance to a family.
| A．each other parents | B．each other's parents |
| C．their parents each other | D．their parents of each other |