The biggest problem for most plants, which ______ just get up and run away when threatened, is that animals like to eat them.
--The window is dirty. ----I know. It ______ for weeks.
The villagers went out to the mountain __________ the missing child.
There is no doubt _______ he will win.
Having been in hospital for two months,he was going to catch up with his classmates.
No one couldtheir tears while watching the moving performances.