-Nothing serious. I have been painting my new house all the day.

　　A．worn out B．tried out

　　C．put out D．sent out

　　解析：选A　前句句意：汤姆，你怎么了？你看起来疲惫不堪啊！worn out"疲惫不堪的"，符合句意。try out"试验"；put out"扑灭"；send out"派出"。

　　11．The government should develop ________ systems to predict when wildfire occurs and give warning in time.

　　A．previous B．reliable

　　C．reasonable D．responsible

　　解析：选B　句意：政府应研发出可靠的预测系统，以便火灾发生时能及时发出警报。reliable"可靠的"，符合句意。previous"以前的"； reasonable"合理的"； responsible"负责的"。

　　12．He was ________ to hear that he had lost the job, and the news was too ________ to him.

　　A．astonished; astonished

　　B．astonishing; astonishing

　　C．astonished; astonishing

　　D．astonishing; astonished

　　解析：选C　astonished"感到惊讶的"，作表语时，其主语通常是人；astonishing"令人惊讶的"，常用来描述事物。

　　13．Tracy wanted to be ________ of her parents after graduation, and tried to live alone.

　　A．aware B．confident

　　C．independent D．proud

　　解析：选C　句意：Tracy想毕业后与父母分开，自己生活。independent"独立的"，符合句意。aware"清楚的"；confident"自信的"；proud"自豪的"。

　　14．-Do you think that housing price will keep ________ in the years to come?

　　-Sorry, I have no idea.

　　A．lifting up B．going up

　　C．bringing up D．growing up

　　解析：选B　问句句意：你认为在未来几年房价会持续上涨吗？go up"上升，上涨"，符合句意。lift up"提升"，此处应该用被动结构；bring up"养育"；grow up"长大"。

　　15．-I was wondering if we could go skiing on the weekend.

-________good.