If I had worked harder at school, I in a comfortable office now．
| A．would sit | B．would have sat | C．would be sitting | D．were sitting |
—Do you mind if I open the window?
—. I feel a bit cold.
| A．Go ahead | B．Of course not, it's not allowed here. |
| C．I'd rather you didn't | D．Why not? |
He is going to build a team that has a lot of potential and he thinks that isexcites him.
| A．that | B．which | C．what | D．as |
They waited at the bus stop and about five minutes later the bus they wantedalong.
| A．coming | B．came | C．to come | D．had come |
Books are a worthy invention of human history since they make it possible for us to make a__of human's thoughts.
| A．plan | B．sign | C．point | D．record |
It'sbelief that parents have to spend nearly 500, 000 yuan bringing up a child in China nowadays.
| A．beyond | B．in | C．without | D．against |