問題詳情：
1. Mrs. Green doesn’t want ___ (this) socks. 2. Helen ___ (want) to go to school on foot. 3. My sister ___ (not) know what it is. 4. ___ (that) books are in English.
1. these 2. wants 3. doesn’t know 4. Those
【回答】
1. these 2. wants 3. doesn’t know 4. Those 三.<span
知識點：語法填空
題型：完成句子
