______ from the top of the tower, the south foot of the mountain is a sea of trees.
| A．Seen | B．Seeing | C．Have seen | D．To see |
. Some people either _____ avoid questions of right and wrong or remain neutral about them.
| A．violently | B．sincerely | C．properly | D．deliberately |
If he refuses to _____ my plan, I can probably find someone more cooperative.
| A．put up with | B．fall in with |
| C．do away with | D．get along with |
. The noise was so _____ that only those with excellent hearing were aware of it.
| A．dim | B．soft | C．faint | D．gentle |
. In my opinion, you can widen the _____ of these improvements through your active participation.
| A．dimension | B．volume | C．magnitude | D．scope |
. While typing, Helen has a habit of stopping _____ to give her long and flowing hair a smooth.
| A．occasionally | B．simultaneously |
| C．eventually | D．directly |