______ the lights off, they wouldn't go on with the work.
A.With B.Until C.Because D.As
We went through a period ________ communications were very difficult in the rural areas.
A.which B.whose C.in which D.with which
Tom was about to close the window his attention was caught by a bird.
A.when B.if
C.and D.till
— Mr Smith was caught in a rainstorm yesterday.
— I have known that, and ______ his new car was completely destroyed.
A.fortunately B.hopefully C.thankfully D.unfortunately
Be sure to read the ______ in the guidebook before you begin to use the new computer.
A.instructions B.solution C.descriptions D.message
The English spoken in the United States is only slightly different from spoken in England.
A.which B.what C.that D.the one
