Everyone of us has many responsibilities ______us．So we must work hard．
| A．attaching | B．attaching to | C．attatched with | D．attatched to |
—How are things going?
—The disabled ________ no relatives in Guangzhou ________ by the volunteers, who will graduate from Zhongshan University next year.
| A．with, are taking care of | B．have, will be taken care of |
| C．with, are being taken care of | D．have, are being taken care of |
Unluckily, when I dropped in, Dr. Smith ____, so we only had time for a few words.
| A．was just leaving | B．has just left | C．had just left | D．just left |
It rained heavily in the south, __________ serious flooding in several provinces.
| A．causing | B．having caused | C．caused | D．to cause |
Sam ________ some knowledge of the computer just by watching others working on it.
| A．brought up | B．looked up | C．picked up | D．set up |
Was it in the village ______ we used to live in _________ the accident happened?
| A．that; where | B．which; that | C．where; that | D．which; where |