小学名词单数变复数练习题

名词单数变复数练习题1.请把下面的名词单数变复数。cat___dog___desk___key___boy___story___family___bus___box___watch___potato___tomato___bed___brush___wife___knife______teacher___sister___plane___school___2.把下面的单数句子变成复数句子。1）Thisisabook.These___2）Itisaredapple.They_3）Thatisaeraser.Those。3.填入所给名词的正确形式。1）Ihavetoo______(knife)2)Therearemany______(box)3)Shehasthree______(ruler)