It was easier to move about the fringe of the crowd.
| A．at | B．in | C．on | D．to |
I'm sorry to bother you, ____ can you direct me to the railway station?
| A．so | B．and | C．but | D．yet |
_______you need any help, please don't hesitate to let me know.
| A．In case | B．Now that |
| C．Even if | D．Ever since |
If I had known you were coming, I ______a larger table.
| A．would have reserved | B．should have reserved |
| C．would reserve | D．might reserve |
I passed by Joan quickly without greeting her, ______not to see her.
| A．pretending | B．to pretend |
| C．pretended | D．having pretended |
The inventor was determined to go on with the experiment_______countless failures.
| A．instead of | B．because of |
| C．in favor of | D．regardless of |