We write with our ___________ hands.[ ]
A. left
B. right
C. /
答案:B
用所给词的适当形式填空。
1. How many _______ (student) are there in your class?
2. Have you _______ (get) any aunts?
3. My father's got a brother, but my mother __________ (not have got) a brother.
4. There are four people in my family-my father and mother, my sister and _______ (I ).
5. We have got 24 _______ (classroom) in the building.
水玻璃加入量越多,水玻璃砂的硬化强度越低。