So sudden ______ that the enemy had no time to escape.
| A．did the attack | B．the attack did | C．was the attack | D．the attack was |
That's all I want to say about this matter. Does anyone have anything else to________？
| A．add |
| B．hope |
| C．demand |
| D．complete |
Judging from her________，she must be from Shandong Province，but I don't know which city.
| A．tone |
| B．look |
| C．accent |
| D．voice |
(2012年浙江卷，2)The development of industry has been ________ gradual process throughout ________human existence，from stone tools to modern technology.
| A．不填；the |
| B．the；a |
| C．a；不填 |
| D．a；a |
It is useful to be able to predict the extent _______which a price change will affect supply and demand.
| A．from |
| B．with |
| C．to |
| D．for |
In the dark street，there wasn't single person _______she could turn for help.
| A．that |
| B．who |
| C．from whom |
| D．to whom |