The three sisters decided to hold a family party to ________their parents’silver wedding.
There are sixty minutes in ______ hour.
Why don’t you put the meat in the fridge? It will ______fresh for several days.
The teacher asked us ______ so much noise.
The number of the people invited ____fifty, but a number of them_____ absent for different reasons.
The girl ______ is reading under the tree _____my sister.