This river forms a natural _______ between China and Korea.
更新时间:2024-11-24 07:45:06 A、boundaryA
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Heworksinouruniversityasavisiting_______,notasaformalfacultymember.
Bothsugarandsaltcan______inwater.
Studentswith_______problemsmayapplyforstudentloans.
Thisboywas_______forwhathehaddoneintheclass.
Thisriverissobigthatitisimpossibletobuilda_______underitwithoutmoderntechnology.
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