I soon found that the work I was doing had already been done, _____, I was wasting my time.
| A．in a word | B．in other words | C．so that | D．above all |
–Why do you look so upset?
–The electricity was cut off suddenly and my essay _______ unfinished since.
| A．was left | B．has left | C．left | D．has been left |
– It is said that Frank is very rich and is always changing his private cars .What is he?
–_______ of a manager, I am not sure.
| A．Somebody | B．Anyone | C．Something | D．Anything |
Among so many people at the party, I _______ John, one of my classmates after 20 years.
| A．looked up | B．picked out | C．took up | D．brought out |
He was about to leave the office for home _______someone knocked the door and asked for some help.
| A．until | B．while | C．as | D．when |
There are nearly one hundred foreign students in our university, most of _______ are from America and Australia.
| A．which | B．them | C．whom | D．those |