单项选择题

They were invited to an important ball ______ the first time in their life.

A． for
B． at
C． on
<上一题 目录 下一题>
热门 试题

单项选择题
______ people went to California to look for gold(金子).
A． Thousand of
B． Thousands of
C． Ten thousands of
单项选择题
-- You look so beautiful in this white skirt.-- ______.
A． That's all right.
B． Thank you.
C． Not at all.
相关试题