There ______ a lot of green grass and beautiful flowers. But now everything has gone.A. was used to be B. were C. used to be
The boy is good at _____ jokes and he often makes us______.
In fact , listening is just as_____ as speaking in language learning.
—Who get up ______ , your father or your mother?—My mother.
Milk is _____ our health.
—______do you have an art festival in your school?— Once a year.