{{B}}quEstions 11 to 18 ArE BAsED on thE ConvErsAtion you hAvE just hEArD、{{/B}}

A．it is thE First timE thEy hAvE BEEn on A trip.
B．thEy CAnnot Do whAt thEy likE BEForE.
C．thEy Don’t hAvE to CArE thE timE.
D．thEy hAvE to trAvEl By sChEDulEs now.