Try not to cough more than you can_____since it may cause problems to your lungs.
A．helpB．a(chǎn)llowC．stopD．check
A               
             
試題分析：考查動詞辨析。A．help幫助；B．a(chǎn)llow允許；C．stop停止；D．check檢查；句意：盡量不要咳嗽，因為這會給你的肺帶來問題�？忌枵莆斩陶Zmore than one can help的意思“盡量不，絕對不”，故正確答案是A     
考點 : 考查動詞辨析
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