We are all （ ） at the way her husband treated her.

Our teachers always tell us to believe in （ ） we do and who we are if we want to succeed.

（ ） some mammals came to live in the sea is now known.

A new technique （ ）, the output as a whole increased by 20 percent.

Dentists suggest brushing teeth at least twice a day to _____ them from decaying.

（ ） when she started complaining.

There is a warning at the bottom of the form that applicants are requested to hand in their forms _____ person.

It is reported （ ） great changes have been made with the application of the new policy．

The ______ salary of the staff is about ＄50.

Humble （ ） it may be, there is no place like home.

（ ） all her friends and money gone, Kate felt totally hopeless.

He （ ） yesterday morning, and would stay for three days.