摘要： I admit the problems are difficult, I don’t agree that they can’t be solved. A. Until B. While C. As D. Unless
网址：http://m.1010jiajiao.com/timu3_id_2987464[举报]
____ I admit the problems are difficult, I don’t agree that they can’t be solved.
A. Until B. While C. As D. Unless
查看习题详情和答案>>
____ I admit the problems are difficult, I don’t agree that they can’t be solved.
A. Until B. While C. As D. Unless
查看习题详情和答案>>________ I admit the problems are difficult, I don’t agree that they can’t be solved．
[ ]
A．Until
B．While
C．As
D．Unless