Many children don’t know their ________.A. parent’s birthdaysB. parents’ birthdaiesC. parents’ birthdays
The book won’t____ until the end of the year.
Look at our new school. It ____ last year.
Robots _____more heavy work for us in the future.
______ month of the year is May.
We don’t want to speak badly or ______ in front of the class.