- Did you see _______ at the door? There is a boy waiting for you.
- No, I saw_______.
A:something; anything
B:anyone; nobody
C:nothing; anything
D:anyone; somebody
轴对称图形只有一条对称轴。这种说法是____(填“正确“或“错误“)的。
日本多火山地震是因为日本处于