{{B}}quEstions 21—23 ArE BAsED on thE pAssAgE ABout iCE phrAsEs. you now hAvE 15 sEConDs to rEAD quEstions 21—23.{{/B}}

whEn thE gAmE is rEAlly ovEr, whiCh iDiom CAn wE usEA．thE gAmE is on iCE.
B．skAting on thin iCE.
C．to Cut no iCE.
D．to BrEAk thE iCE.