摘要： -What’s most useful invention in the 20th century? - computer, I think. A. the, A B. a, A C. the, The D. /, The
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—What’s ______ most useful invention in the 20th century?
—______ computer, I think.
A. the, A B. a, A C. the, The D. /, The
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—What’s _____most useful invention in the 20th century?
—_____ computer, I think.
A. the, A B. a, A C. the, The D. /, The
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— What's _____ most useful invention in the 20th century?
— _____ computer, I think.
— _____ computer, I think.
[ ]
A. the, A
B. a, A
C. the, The
D. /, The
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B. a, A
C. the, The
D. /, The