—Is there any hope of saving his life?
—His injuries are extremely serious, but he's expected to __________.
| A．pull in | B．pull through |
| C．pull up | D．pull over |
The work he devoted his time to _____ worth praising.
| A．was | B．be |
| C．being | D．been |
The theory he sticks to ______ to be of no use in our studies.
| A．proves | B．prove |
| C．proving | D．be proved |
The man you referred to _____ just now.
| A．comes | B．come |
| C．coming | D．came |
How happy we are! The holiday we have been looking forward _______ at last.
| A．to has come | B．to have come |
| C．to having come | D．has come |
You can never imagine what great difficulty I had ______ your house all by myself.
| A．found | B．finding |
| C．to find | D．for finding |