This is( )clock.l's( )old clock.This is( )clock.l's( )old clock.
问题描述:
This is( )clock.l's( )old clock.
This is( )clock.l's( )old clock.
答
a,an
答
a an
答
This is(a )clock.l's( an)old clock.
答
This is a clock. It's an old clock.