It was last night ______ I saw the accident.
Kathy______ a lot of Spanish by playing with the native boys and girls.
I really can't understand ______ her like that.
Never before______ so highly successful in his attempts to forecast the weather accurately on a small scale.
The scientists predict that if present trends______, women in 400 years will be 2cm shorter and have healthier hearts.
Bush, before Barack Obama, _______ Brown a similar gift, a leather bomber jacket.