The twin sisters are always competing _____ each other _____ attention.
There was plenty of time. She ________ .
-----________ he be watching TV now?------Yes, he ________ be watching TV now.
.Have you considered the students’ request _________ the school library _______ more books on popular science?
A person ______ e-mail account is full won’t be able to send or receive any e-mails.
.It is obvious to the students ______ they should get well prepared for their future.