Your smile is one of the strongest tools that make ______ possible for you to meet new people.
| A．it | B．them | C．this | D．/ |
They weighed the advantages of the operation ______ all the possible risks involved over and over again.
| A．within | B．except | C．behind | D．against |
The young man has been trying everything in his power to please the director, ______ to get a role in the play.
| A．hoped | B．hoping | C．to hope | D．having hoped |
Sometimes we just can’t understand why so many people fail to realize that wealth does not ______ bring happiness?
| A．consequently | B．automatically | C．necessarily | D．particularly |
Research shows that though students benefit from having parents involved at school, _____ happens at home matters much more.
| A．which | B．what | C．that | D．whether |
________the letters there are answers written by people who are supposed to know how to solve such problems.
| A．Along with | B．Apart from | C．According to | D．Regardless of |