A survey of the opinions of experts ____ that drinking a glass of hot milk before going to bed helps one sleep well.
---Who is making so much noise in the garden? --- ___ the children.
Were all three people in the car injured in the accident? No,___ only the two passengers who got hurt.
One day, _____,Newton saw an apple fall from a tree.
He made another wonderful discovery, _____ of great importance to science.
As I know,there is _____ car in this neighborhood.