By the year 1889, there were just 541 bison ________ in the whole of North America.
What the young man can’ t ____ is that his mum always treats him like a baby.
____ the news, so far, has been good, there may be bad days ahead.
Not until the train pulled into the next station ____ her suitcase gone.
Since 1994, the glacier in Antarctica has lowered by as much as 90cm, ____sea level to rise.
—Flight MU257 ____ . I must be off now.—Have a nice trip.