at the party, we saw Ruth standing alone in the corner of the hall.
| A．Arriving | B．To arrive | C．Arrive | D．Arrived |
If we have illegal immigrants _________ in，many local workers will lose their jobs．
| A．came | B．coming |
| C．to come | D．having come |
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 |