Without facts , a person can’t form a correct opinion , for he needs to have actual knowledge his thinking .
| A．which to be based on | B．on which to base |
| C．which to be based | D．which to base |
I don’t want to go shopping. ________, it’s raining heavily outside.
| A．Therefore | B．Besides | C．Somehow | D．Otherwise |
Susan stayed awake in bed, watching the heavy rain beating ________ the windows.
| A．on | B．above | C．against | D．across |
Frank put the medicine into a top drawer to make sure it would not be _______ to the kids.
| A．accessible | B．flexible |
| C．available | D．agreeable |
Greatly interested in the voluntary work, William and about 200 more college students ________ the application to the committee last week.
| A．submitted | B．permitted |
| C．admitted | D．limited |
— Haven’t met Mary lately. What has happened to her?
— Well, it’s about three months ________she worked here.
| A．before | B．after | C．since | D．when |