. The biggest problem for most plants, which ___ just get up and run away when threatened, is that animals like to eat them.
_______ studying English, he also studies Japanese.
It was the boy who_______ for the fight with his brother.
—Can I come to ask for some advice at any time? — Yes, of course. _______
My father is clearly in____ dilemma about how to handle___ quarrel between us.
The headmaster told us ____ football in the teaching building.