The biggest problem for most plants, which ___ just get up and run away when threatened, is that animals like to eat them.
. — Were you nervous while being questioned by the police? — Yes, my heart was ____ wildly then.
. — I’d better ____ now. The water is boiling in the kitchen. — Good-bye.
. If we can’t afford meat, we shall have to ____ with fish.
. — Would you like your coffee ____ or strong? — Oh, I’d like a strong coffee.
. Playing the violin well is not ____ so easy as you imagined. So you must get fully prepared against any difficulties.