It isn’t quite ______that he will be present at the meeting.
| A．sure | B．certain | C．exact | D．afraid |
The director had her assistant ________ some hot dogs for the meeting．
| A．picked up | B．picks up |
| C．pick up | D．picking up |
I hope my teacher will take my recent illness into _____ when judging my examination.
| A．regard | B．account | C．thought | D．observation |
The illness from which Mary is suffering has now been _____ as hepatitis （肝炎）.
| A．diagnosed | B．determined | C．deduced | D．discovered |
If the boy had _____ the dog alone it wouldn't have bitten him.
| A．set | B．left | C．had | D．put |
The generation _____ makes it difficult for parents to understand their children's opinions.
| A．division | B．gap | C．separation | D．interval |