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【单选题】
桩核冠治疗前需要在根管治疗后观察多长时间:A.
1-2天
B.
3-4天
C.
1-2
D.
3-4
E.
一个月
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【简答题】维修电工技术设计绘制小测试1.docx
【单选题】There used to be a church here, _____? [ ]
A.
don't there
B.
used not there
C.
didn't there
D.
didn't it
【单选题】There ( ) a lot of trees in the park, weren't there?
A.
used to be
B.
use to be
C.
used be
【简答题】维修电工技术设计绘制小测试8.doc
【单选题】There used to be a shop behind the factory, _______.
A.
didn't there
B.
used there
C.
usedn't it
D.
didn't it
【单选题】There used to be a church behind the cemetery, _____________?
A.
didn’t there
B.
used there
C.
usedn’t it
D.
didn’t it
【简答题】There used to be a church in the past , ____ ? A．isn''t there B．didn''t there C．usen''t it D．used not it
【简答题】维修电工技术设计绘制小测试6.doc
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