_________along the road at forty miles an hour, an old man suddenly started to cross the road in front of me.
To save class time,our teacher has_______students do half of the exercise in class and complete the other half for our homework.
It’s hard for him playing against me.I’ve got nothing to play for,but for him,he needs to win so_______.
As the years passed,many occasions—birthdays,awards,graduations—_______with Dad’s flowers.
The biggest problem for most plants,which_______just get up and run away when threatened,is that animals like to eat them.
Polar bears live mostly on_______sea ice,which they use as_______platform for hunting seals.