31．____his membership card，Tony decided to make a phone call to check whether there was something wrong．
| A．Having not received | B．Not receiving |
| C．Not received | D．Not having received |
We don’t need to do extra work this evening. The day’s work was almost ______ now.
| A．at the end | B．at an end | C．at one end | D．at our end |
－－The button in the kitchen is out of order.
－－_______.
| A．I’m really sorry to hear that. | B． No problem. It’ll be OK. |
| C． Anything else I can do? | D．Why not get Mr. Kidder to have a look |
The heart is believed to _____blood into veins(血管) which are netted all over the body, thus keeping a person alive.
| A．give | B．donate | C．circulate | D．pump |
______addition to being creative, perseverance and diligence are necessary qualities to be a good scientist.
| A．With | B．Of | C．In | D．For |
The gold loop discovered in the ancient tomb _____ to be _____ in studying the history of the Jin Dynasty.
| A．was turned out; valuable | B．proved; of great value |
| C．was proved; of great valuable | D．proved; much valuable |