问题
er 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:banned
C:to ban
D:having banned
正确答案是：
同类题型
More and more high-rise buildings have been built in big cities____ space
harlie thinks money will _____ allhis problem, but as a matter of fact he is mistaken.
Your performance in the diving test didn’t reach the required standard – ______, you failed[ ]
We want someone to design the new art museum for us.—______ the young fellow have a try?