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By the year 2010, scientists probably ______ a cure for cancer.A、will be discove
By the year 2010, scientists probably ______ a cure for cancer.A、will be discove
游客
2023-11-06
51
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问题
By the year 2010, scientists probably ______ a cure for cancer.
选项
A、will be discovering
B、are discovering
C、will have discovered
D、have discovered
答案
C
解析
动词时态。句中的2010年显示基本时态为将来时;同时by引导的时间短语为完成时的标志,可见此句应该使用将来完成时。
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