Since the new technology was introduced last month, we _____ in speeding up production.
A. succeed
B. succeeded
C. have succeeded
D. will succeed
A. succeed
B. succeeded
C. have succeeded
D. will succeed
【答案】
A. succeed
B. succeeded
C. have succeeded
D. will succeed
A. succeed
B. succeeded
C. have succeeded
D. will succeed
【答案】
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