I can never forget the day ____we worked together and the day _____we spent together.

A. when; which        B. which; when      C. what; that           D. on which; when

 The father as well as his three children _____ skating on the freezing river every Sunday afternoon in winter.

A. is going    B. go    C. goes     D. are going

15. Realizing I would be late , I quickly dressed my son and _____ my bag, went to work.

       A. carried              B. carrying     C. to carry             D. having carried

19．We were        that the Wenchuan earthquake left the whole city in ruins.

A．shocked     B．worried about     C．worrying     D．Shocking\]

四、短文改错（满分10分）

假如英语课上老师要求同学们交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，要求你在错误的地方增加、删除或修改某个单词。

    增加：在缺词处加一个漏字符号（∧）, 并在其下面写上该加的词。

    删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写上修改后的词。

注意：1．每处错误及其修改均仅限一词；

       2．只允许修改10处，多者（从第11处起）不计分。

My parents and I went to the park on last Sunday. There were lots of visitors stood in front of the ticket window. We waited a long time and buy three tickets. In the Tiger Mountain of the park, I was too eager to see the fierce frightened animals that I quickened my steps through the crowd. Unfortunate, I got separated from my parents. I had hard time looking for him, but I had no luck. Wandering in the park, I felt alone without any companions. Worse still, I had no money, so I had to walk home, covered as much as 5 kilometers.      

 Great changes _______ in his hometown in the last twenty years.

A．have taken place   B．were taken place   C．have been taken place   D．took place

 After that we never saw her again, nor________ from her.

A. did we hear    B. we heard  C. had we heard     D. we have heard

___________H1N1spreading quickly and widely,more and more people are infected,which has draw the government’s special attention to it .

A.For                 B.As         C.With              D.Because

How long do you think it will be _____ we can find a new water source?

A. after             B. before                     C. when              D. since

One witness said that he’d seen the suspect run out of the store after it___.

A.had been robbed     B.was robbed     C.had robbed     D.robbed