If you can a second I’ll look for Bob and tell him you are on the phone for him.A. depe

问题补充：

If you can a second, I’ll look for Bob and tell him you are on the phone for him.

A. depend on

B. hang on

C. come back

D. take along

答案：

A. depend on

(答案→)B. hang on

C. come back

D. take along

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