The ____________ shoes were covered with mud, so I asked them to take them off before they got into __________ car.枫杨和枫香树都是金缕梅科植物。( )依次填出下面一段文字横线处的语句,衔接最恰当的一组是
在高等植物体的( )中,叶绿体数目最多。A great number of _______students said they were forced to practise the piano.56_______表皮细胞
茎尖细胞
皮层细胞
叶肉细胞#to question
to be questioned
questioned#
