当有病人需要急救的时候,你应该拨打:A.oneonenine B.onetwozero
( ) I _____ twelve . A. am B. is C. was
( )Let’s ____ our class ! A. to begin B. begin C. begin to
( )Go ____ to your seats . A. from B. in C. back
( )I come _____ Britain . A. to B. at C. from
( )_____ here , Tom ! A. Go B. Come C. At