I suddenly found myself ____ down the street when I found a crowd of people gathered in the street corner.
| A．run | B．running | C．runs | D．ran |
The life he is now used _____ quite different from ours.
| A．is | B．to be |
| C．to being | D．to is |
The work he devoted his time to _____ worth praising.
| A．was | B．be |
| C．being | D．been |
On Sundays there were a lot of children playing in the park, _______ parents sat together joking.
| A．their | B．whose |
| C．which | D．that |
I’ll come after the meeting if time ______.
| A．permits | B．is permitting |
| C．is permitted | D．has permitted |
Nothing that he suggested _____ to be of any use.
| A．prove | B．proved | C．proving | D．to prove |