题目内容
—I wonder why the thinnest plastics bags, though ________ , are still in use here.
—Well, it’s no easy job to solve this problem effectively.
| A.banning | B.banned | C.to ban | D.having banned |
B
解析
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题目内容
—I wonder why the thinnest plastics bags, though ________ , are still in use here.
—Well, it’s no easy job to solve this problem effectively.
| A.banning | B.banned | C.to ban | D.having banned |
B
解析