—______do you have an art festival in your school?— Once a year.
There will be ________water and ________trees in 100 years, how can we live?
Children are always ________ in ________stories.
There are about five _______ young trees on the hill.A. hundred B, hundreds C. hundred of D. hundreds of
Could you ______me how to ______ it in Chinese?
My grandma ______ her coat at home yesterday.