40． , I’ll have a letter sent to your company. A. If necessary B. If it were neces——青夏教育精英家教网——

摘要：40． , I’ll have a letter sent to your company. A. If necessary B. If it were necessary C. As I’m necessary D. Unless it is necessary

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________. I'll have a letter sent to your company.

A. If necessary

B. If it were necessary

C. As I'm necessary

D. Unless it is necessary

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________. I'll have a letter sent to your company.

A. If necessary

B. If it were necessary

C. As I'm necessary

D. Unless it is necessary

查看习题详情和答案>>