Don’t waste your words any more; she is as ______ as a mule (骡子) and no one can persuade her.
George urged that Peter______ the boat around.
So far the majority of cloned animals have suffered from some different serious disorders, ______ died soon after birth.
No one can prevent the plan.
Dad had to cycle to work this morning because his car _______ at the garage.
_____ by the killers whales, the whalers were able to make a successful kill.