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【单选题】
-Do you know ______ before? -In the People's Hospital. [ ]A.
where is Tingting's father working
B.
where did Tingting's father work
C.
where Tingti ng's father is working
D.
where Tingting's father worked
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【简答题】债权人行使撤销权时的必要费用，由（ ）承担。
【单选题】Which section of the Bay Bridge was damaged in the 1989 earthquake?
A.
eastern section
B.
western section
C.
both sections
D.
neither
【简答题】债权人行使撤销权的必要费用，由（ ）承担。
【单选题】Which of the following statements is correct? (1) The axial force on the cross section of the rod must be perpendicular to the cross section. (2) The shear force on the cross section of the rod must b...
A.
(1), (2)
B.
(1), (2), (4)
C.
(1), (3), (4)
D.
all correct