-How much does it to fly from Beijing to Haikou one-way?---About 1000 yuan. A. costB.

问题补充：

---- How much does it to fly from Beijing to Haikou one-way?

---About 1000 yuan.

A. cost

B. pay

C. spend

D. take

答案：

(答案→)A. cost

B. pay

C. spend

D. take

解析：句意：从北京到海南的单程机票多少钱？大约1000元。根据注意it是物，可知应用cost。而pay 和spend的主语是人；take一般用来指花费时间。故选A。