阿摩線上測驗
29. When Professor Brand celebrates his birthday next week, he will ______ the research team for more than 30 years.
(A) lead
(B) be leading
(C) have been leading
(D) have been led
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統計： A(0), B(1), C(3), D(0), E(0) #3271666
統計： A(0), B(1), C(3), D(0), E(0) #3271666
