单项选择题

______ , Mozart had already written his first composition.

A．His age was six
B．By the age of six
C．He was six
D．Six years old
<上一题 目录 下一题>
热门 试题

单项选择题
Only through diplomatic means ______.
A．a formal agreement can be reached
B．can a formal agreement be reached
C．can be a formal agreement reached
D．can be reached a formal agreement
单项选择题
If it ______ more humid in the Desert of the Southwest, the hot temperatures would be unbearable.
A．be
B．is
C．was
D．were
相关试题