1、They haven't sung for half an hour.
They _____ _____ half an hour ago.
2、Bike is short for bicycle.
Bike is _____ _____ _____ of _____.
3、Every one of us went to the farm except Lucy.
_____ Lucy _____ _____ to the farm _____us.
4、Please turn left at the third crossing.
Please _____ the third _____ _____ the left.