How much do you need that bike?
A. to pay for
B. to pay
C. pay for
D. buy
网友回答
(答案→)A. to pay for
B. to pay
C. pay for
D. buy
解析：pay的基本用法是：(1) pay (sb. ) money for sth. 付钱（给某人）买……。 (2)pay for sth. 付……的钱。 (3)pay for sb. 替某人付钱。(4)pay sb. 付钱给某人。Buy的含义是买。句意：那辆自行车你需要付多少钱？本句中need是行为动词，需要的含义。后面接不定式作宾语，故选A。