---- Where is mother?
---- She is in the kitchen. She ______ the housework all morning.
| A．was doing | B．has done | C．has been doing | D．is doing |
The matter___your refund is not neglected.I’m not authorized to give you a refund---I’ll have to check first
| A．relating to |
| B．related to |
| C．relate to |
| D．to relate to |
Mr.Green stood up in defense of the 16-year-old boy,saying that he was not the one___
| A．blamed |
| B．blaming |
| C．to blame |
| D．to be blamed |
Failure is never pleasurable,but it can make a positive contribution to your life ___you learn to use it
| A．since |
| B．once |
| C．until |
| D．unless |
It is ___to be honest with your children
| A．accurate |
| B．vital |
| C．complex |
| D．unnecessary |
While waiting for you,I was watching TV in the hall
| A．leave |
| B．run |
| C．survive |
| D．escape |