.

．—Dad，I’m worrying about my road test！

—Cheer up，dear! There___________be any difficulty about passing it since you have practised a

lot in the driving school．

A．mustn’t

B．shan’t

C．needn’t

D．shouldn’t

治疗肺阴亏损虚劳，宜选用（）

A．月华丸

B．清燥救肺汤

C．沙参麦冬汤

D．百合固金汤