Of all the students , ____ is so diligent as George.
| A．none | B．either | C．no one | D．neither |
The red light above the elevator ______ that he was at the tenth floor then.
| A．suggested | B．symbolized | C．observed | D．indicated |
______the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
| A．If | B．As | C．Because | D．While |
In _____ eyes of the duke, Shylock’s life should be at _____ mercy of the people living near _______ River Thames.
| A．/; the; / | B．the; the ;the | C．/; a; the | D．the; /; / |
Throughout the week, the boy _____most of the work in the manager’s office．
| A．took on | B．took off | C．took in | D．took over |
We are taking action, but how effective it will remain _______.
| A．to see | B．to be seen | C．seeing | D．seen |