问题
选择题
They are going to go on a world tour _____ they will perform in ten different cities.[ ]
A. which
B. in which
C. in where
D. that
答案
答案：B
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They are going to go on a world tour _____ they will perform in ten different cities.[ ]
A. which
B. in which
C. in where
D. that
答案：B