单项选择题

— I wonder if I could take a few days off work. — ________ .

A.I’m
B.I
C.Why,
D.No,

你可能感兴趣的试题

下列哪些情况是131I治疗Graves病在计算剂量的基础上应适当增加131I给予剂量的因素( )

A.甲状腺肿大明显且质地较硬
B．有效半衰期较短
C．患者年龄较大
D．甲亢病程较长，长期ATD治疗疗效较差者

单项选择题

There are scientific ways ________ which man solves problems.

A.
B.with
C.at
D.on