玻璃的硬度较大，仅次于金刚石。( )
参考答案：对
1. I have two ____________. ( knife)
2. Whose ______________ are these ? ( child )
3. These photos are hers. They are not ____________. (I)
4. What about ____________ shopping? (go)
5. The little girl is ____________ on her hat now. (put)
—When shall I phone you, morning or afternoon?
— , I'll be in all day. [ ]
A. Each
B. Both
C. Neither
D. Either
