问题
选择题
________ in every aspect of his company's business, Paul made himself busy day and night.[ ]
A. Being involved
B. Involved
C. Involving
D. To involve
答案
答案：B
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________ in every aspect of his company's business, Paul made himself busy day and night.[ ]
A. Being involved
B. Involved
C. Involving
D. To involve
答案：B
