Look at the four squaresthat indicate where the following sentence can be added to the pas
A.(A)
B.(B)
C.(C)
D.(D)
A.(A)
B.(B)
C.(C)
D.(D)
A.a brief history of software and hardware
B.a new trend of present-day computer science
C.a useful piece of software developed by hardware engineers
D.a strange phenomenon that hardware engineers migrate toward software
A.It mainly occurs during the extraction of coal.
B.There is the potential for large amounts of gas to be lost.
C.It is a simpler process than the extraction of oil.
D.Non-associated sources are preferred.
B.Its colors aren"t very bright.
C.Both speakers thing it looks bad in the cafeteria.
D.The speakers selected it for the cafeteria.
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