填空题


【参考答案】

as→while/but
<上一题 目录 下一题>
热门 试题

单项选择题
A．prevent people from having trouble with teethB．stop teeth from falling outC．put men on the moonD．transplant hearts and other organs
A．prevent people from having trouble with teeth
B．stop teeth from falling out
C．put men on the moon
D．transplant hearts and other organs
填空题
increasingly
相关试题