He is a man with rich experience , from ______much can be learned .
A whom B which C where D what
He objected to __ like a child.
| A．be treated | B．being treated | C．treating | D．have been treated |
He found his __ dog yesterday.
| A．losing | B．losed | C．to be lost | D．lost |
The speaker tried hard to make the people ___ him better.
| A．understand | B．understood | C．understanding | D．to understand |
The speaker thought it hard to make himself ___.
| A．understand | B．understood | C．understanding | D．to understand |
John has done nothing but ___ for the police.
| A．sending | B．to send | C．send | D．that to send |