---Do you know why Anna hasn’t come to school today? ---I’m not sure. She _______ be ill.
Lucy is very helpful. She is always _________ others.
Don’t ___________ the birds. Listen to the teacher carefully.
There are_______ seasons in a year. Winter is_________season.
--You are late for class, boy. --Sorry. Inext time.
--There ____ lots of information on sports on ESPN.com.--But most of it is in English.