training animals usually _______a long time 为什么填takes

training animals usually _______a long time 为什么填takes Zoom can _______a long time in______. A GOOD TASK TAKES A LONG TIME It takes a long time to go there by train中time不可数为什么前面还能加a? 我有一个问题不懂,it takes me less time than( ) the bus.为什么填taking after-----seemed a long time ,he apeared again 为什么填what,不填it It takes a long time to do sth.还是It costs a long time to sth this usually does not last for long.为什么副词 usually Robin usually takes bus to school 这句话为什么不对? our class meeting usually ________on Monday.为什么是takes place it is a long time since l last saw you__________ 为什么填at Mrs. Trees take a long time to grow 为什么不填grow up