Though he is 10 years old, he doesnt know that 2 ______ by 4 makes 8.
The traffic rule says young children under the age of four and ____ less than 40 pounds must be in a child safety seat.
—Is everyone here? —Not yet……Look , there_______ the rest of our guests!
Asking him for help is ____ because he is such a selfish person.
A government official was murdered last Friday and the police are collecting information that is ____ to the case.
He was busy with his essay at that time. Otherwise he ____ over to help us.