单项选择题

A．Several weeks.
B．Until your doctor tells you.
C．12 months.
D．At least 6 months.
<上一题 目录 下一题>
热门 试题

单项选择题
A．A shop.B．A university campus.C．A library.D．An airport.
A．A shop.
B．A university campus.
C．A library.
D．An airport.
单项选择题
A．Anemia.B．Shingles.C．Hepatitis.D．HIV.
A．Anemia.
B．Shingles.
C．Hepatitis.
D．HIV.
相关试题