How much do you a single room every night?A. payB. pay forC. takeD. spend

问题补充：

How much do you a single room every night?

A. pay

B. pay for

C. take

D. spend

答案：

A. pay

(答案→)B. pay for

C. take

D. spend

解析：句意：单人房每晚多少钱？pay付款，常与介词for搭配构成短语 pay for，为……而付款； take花费，只指花费时间；spend花费，可指花时间，也可指花钱，常用于句型spend…on或spend…doing sth，所以选B。