问题
填空题
用所给词的适当形式填空.
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.
答案
1. these 2. wants 3. doesn't know 4. Those
