124. The company has been investing heavily in research and development _____ , hoping to launch the new products.
(A)last year
(B)in the past years
(C)since a few year
(D) for the past year

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統計： A(37), B(114), C(90), D(106), E(0) #3096824

詳解 (共 2 筆)

#5987594
The company has been...
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不選in the past years是因為語法不自然 
正確應該是：
• in past years（不加 the）
• 或 over the past years


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