Before adding new stocks______your investment portfolio, why not attend one of o

游客2025-06-15  2

问题 Before adding new stocks______your investment portfolio, why not attend one of our investment seminars, where you will be able to meet our consultants in a small group setting?

选项 A、at
B、to
C、for
D、with

答案 B

解析 本题需选择适当的介词。根据句意,应取add A to B(把A加到B)的结构,故选(B)to。
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