Two kilograms ______ too heavy for a sick man.
A.is B.are C.was D.were
A
考查時態(tài)及主謂一致。句意:兩公斤對于一個病人來說太沉重了。結合語境可知本句描述的客觀存在的狀態(tài),故用一般現(xiàn)在時態(tài)。主語為復數(shù),故謂語動詞用復數(shù)形式,選A。
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