The life of a high school student is usually active, exciting and full of fun, but it ______ be stressful sometimes.

A．must

B．can

C．need

D．should

 

【答案】

B

【解析】考查情態(tài)動(dòng)詞用法。Must一定，必須；B可能；C需要；D應(yīng)該。句意：高中生活通常是積極的，讓人興奮的，充滿快樂的，但是有時(shí)候可能是很有壓力的。故B正確。

 

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