The volunteers try to convince people _____ the fact that some species are in danger of _____

The limits of a person’s intelligence，generally speaking，are fixed at birth，but ________ he reaches these limits will depend on his environment.(2011·安徽)

Hardly ________ to speak ________ someone interrupted him.

Today he came earlier than __________, for it was not a(n) ______ day.

He told me he got a new job and would be paid ________ the month