The lecture hall______ by Doctor Li in the 1980s can contain at most 6,000 people.
You’ve done much of the work, and please leave ______ to us.
The experts advise _______ our army _______ modern weapons.
It ______ at the crossroads ______ he was killed in the accident the other day.
The flowers ______ my mother, but my sister thought they were for her and took them.
He sent me an e-mail, ________ to get further information.