Chuyển sang câu bị động (2 dạng, nếu có thể):

98. We were watching TV at 6 PM yesterday. …………………………………………………………….

99. Jane will be able to buy that radio. ……………………………………………………………………..

100. How many books has he bought so far? ……………………………………………………………

101. The girl spared no efforts to help her mother. ………………………………………………………

102. Do you export rice to India? ……………………………………………………………………………

103. You must pay special attention to him …………………………………………………………………

104. How many houses are you going to pain?...............................................................................................

105. Many people in the city believe that he is an unhappy person. ……………………………………...

106. The first book I bought was very expensive……………………………………………………………

107. What did they pay you for helping her………………………………………………………………..