My cousin used to ________ online too late, but now she is used to ________ to bed early.

22We will never forget this historical lesson written _____ blood

Everyone here will thank the firefighter for thethings they have done to prevent fires______ the environment safer.

The teacher was satisfied __the progress he had made,because he rid himself ___ being lazy and careless

Mary’s teacher recommends she ______ the post in the company.