问题
How long do you think it will be ________ the computercompany puts forward a new product
A:should have a false tooth fixed in its place
B:have to put it under your pillow at once
C:will gain a permanent tooth in future
D:which
B:have to put it under your pillow at once
C:will gain a permanent tooth in future
D:which
正确答案是：
同类题型
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