Question

(2013·江西重点中学高三一模)As ________ rule, part­time workers such as babysitters or English tutors are paid by ________ hour.

A．the; an	B．a; an
C．a; the	D．the; /

Answer 1

C

选C　考查冠词。第一个空泛指“某一个规则”，用不定冠词a；by the hour是固定用法，表示“按小时”。