---Did you call the airline to your flight booking? ---Yes I did.A. confirmB. breakC. gua

问题补充：

---Did you call the airline to your flight booking?

---Yes, I did.

A. confirm

B. break

C. guarantee

D. submit

答案：

(答案→)A. confirm

B. break

C. guarantee

D. submit

解析：可联系答.案.网客服索取。