14．It is not who is right but what is right _______ is important.
| A．which | B．it | C．that | D．this |
My parents, without ______ help I wouldn’t have become who I am, have taught me the true meaning of life.
| A．whom | B．their | C．whose | D．them |
_ properly, a car can be used for many years.
| A．Maintained | B．Maintaining |
| C．To be maintained | D．To maintain |
______ is conveyed here to children is that reading is one of life’s greatest treats.
| A．As | B．What | C．That | D．It |
It is not until midnight ______ he goes to bed every day.
| A．before | B．when | C．since | D．that |
--- You can’t have enjoyed your picnic in the rain last Saturday, I’m afraid.
--- On the contrary, we ______.
| A．can | B．must | C．did | D．have |