--What do you think of French?
--In my opinion, French is _______ English
| A．a subject so difficult as | B．as difficult a subject as |
| C．as a subject difficult as | D．difficult as subject as |
While intelligent people can often________the complex, a fool is more likely to complicate the simple.
| A．sacrifice | B．substitute | C．simplify | D．survive |
As the train ran faster and faster，the lights of the city were soon ________.
| A．left off | B．left alone |
| C．left behind | D．left out |
At the edge of the grass，there's a sign saying“________ the grass”．
| A．Keep up | B．Keep away |
| C．Keep off | D．Keep back |
Suddenly I realized that I had stayed here long and ________ to say goodbye to the host.
| A．raised | B．rose | C．lifted | D．stood |
How can Margot ________ from her illness in this room when it is so dirty and dusty？It will only make her worse.
| A．suffer | B．recover | C．discover | D．return |