根据括号内的要求进行句型转换。

1．I don't know where I should go．（变为简单句）

I don't know where ________________．

2．You could write him a letter．（变为一般疑问句）

________ I ________ him  a letter?

3．He was playing computer games when I came in．（对划线部分提问）

________ he ________ when you came in?

4．“Where do you live，Tom?” Mr. Green asked．

Mr. Green asked ________ where ________ lived．

5．I think she can speak Chinese and Japanese．（改为否定句）

I think she can speak Chinese ________ Japanese．

句子改写，按要求改写下列句子（每题2分，计20分）

86. He’s been to Beijing twice. （对划线部分提问）

87. The boy sitting under the tree is Tom’s brother. (同上)

88. I hear that Mr White will come back after 3 o’clock. (同上)

89. I do half an hour of homework every day.  (同上)

90. Daniel  is a clever boy. （改感叹句）

91. She’s already finished her homework. （改为一般疑问句）                                  

92. The girl said, “I can speak Japanese.”  （改为间接引语）

The girl said that _________ ________ speak Japanese.

93. I don’t know how I deal with the problem. （改为同义句）

94. My favourite subject is Home Economics.    (同上)

95. What’s the meaning of this new word?       (同上)