WecanlearnfromthetextthatthewheelsoftheGroutPortable .
A.weredifficulttoseparate
B.couldbesplitinto6pieces
C.werefittedwithsolidtyres
D.werehardtocarryonatr ain
正确答案:C
WecanlearnfromthetextthatthewheelsoftheGroutPortable .
A.weredifficulttoseparate
B.couldbesplitinto6pieces
C.werefittedwithsolidtyres
D.werehardtocarryonatr ain
正确答案:C