Question

— You’ve dropped ________ “s” in the word “necessary”.
— Oh, ________ letter “s” is doubled.

A．a; a

B．a; the

C．an; the

D．the; the

Answer 1

C

考查冠词的用法。怎么s的发音是元音，即/es/，故用an来修饰；特指necessary中的“s”要用the。故选C。