We'd better grow the plant in a ________
题型:选择题
问题:
We'd better grow the plant in a ________ plastic box so that the children can see the roots growing.
A.safe
B.square
C.transparent
D.thick
We'd better grow the plant in a ________ plastic box so that the children can see the roots growing.
A.safe
B.square
C.transparent
D.thick