单项选择题

A．He has had thirteen decayed teeth.
B．He doesn’’t have a single decayed tooth.
C．He has fewer decayed teeth than other people of his age.
D．He never had a single tooth pulled out before he was fifty.
<上一题 目录 下一题>
热门 试题

单项选择题
The lakes are kept constantly full by the rains and by the melting of the snows.
A．Y
B．N
C．NG
单项选择题
A．He has been ill.B．He hasn’’t yet found a topic.C．He was busy studying for an exam.D．He didn’’t know when it was due.
A．He has been ill.
B．He hasn’’t yet found a topic.
C．He was busy studying for an exam.
D．He didn’’t know when it was due.
相关试题