–Do you know Anna’s telephone number?

–____. As a matter of fact, I don’t know any Anna, either.

A．I think so

B．I’m afraid not

C．I hope so

D．I’d rather not

找规律填数。

(1) 1, 2, 4, 7, 11, (    ), (    )。

(2) 7, 13, 19, (    ), (    )。