___is often the case with a new idea, much preliminary activity and optimistic discussion produced no concrete proposals. - DTB6}kw A that, B it, C this, D as }.0Bl&\UK 3B@y &a#& which one is the answer? thanks!
pqnil
2009-03-03 10:42
D吧
momo677
2009-03-07 14:55
D，应该是
化装企鹅的熊
2009-03-09 23:04
应该是as
xiaomingrz
2009-03-25 01:01
是 D
cuifenping
2009-03-25 15:58
应该是D
pla_yong
2009-03-26 12:32
选D
wxq
2009-03-26 16:16
我也觉得是D
okay
2009-03-27 10:48
应该是D
hanganngcq
2009-04-02 09:54
用排除法，应该是d
huangyu1984
2009-04-02 23:39
选D
huangyu1984
2009-04-02 23:39
一定是
salinaray
2009-04-05 08:49
做过一样的，d
liujinke
2009-04-06 13:41
应是iAS
红颜liya
2009-04-10 16:15
排除法d
speedfly
2009-04-11 09:36
向大家学习
wss_wss
2009-05-04 22:07
it 不行么
snfngw
2009-05-22 23:22
选As,表示"正如....."
lijunlinwx
2009-05-25 11:37
英语语法改错问题
enkenk
2009-05-25 22:24
不知道
linaljk
2009-10-19 12:25
应该是D
units
2009-10-19 14:22
应该选D
paulineyjl
2009-10-24 19:58
为什么不是B？ It做形式主语啊
gemstonny
2009-10-31 11:11
选B为什么不可以？
iceman
2009-11-05 21:43
应该是D
toxicherb
2009-12-09 09:18
我也认为应该是D
skycityhd
2009-12-10 00:02
我选B，这个句子省略了that，句子应该是：It is often that a case with a .................. produced ...........
qingzixin
2009-12-10 14:46
应该是AS
dracula
2009-12-11 09:52
___is often the case with a new idea, much preliminary activity and optimistic discussion produced no concrete proposals. BI2; ex #z!^ <, A. 对于一个新的想法，实际情况是大多数预备活动和乐观的讨论不会得出明确的建议。 7\X E,;4>
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