Do you know who our teacher will have ________ an article for the wall newspaper?
| A．written | B．wrote | C．to write | D．write |
The majority of the damage ______ easy to repair.
| A．is | B．are | C．were | D．be |
—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 |