题目内容
— Do you know who _____ the tomb of Emperor Qin and who _____ the mobile phone?
— No, but we may ask our teacher.
— No, but we may ask our teacher.
[ ]
A. discovered; invented
B. was discovered; was invented
C. invented; discovered
D. was invented; was discovered
B. was discovered; was invented
C. invented; discovered
D. was invented; was discovered
A
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