________, what she had devoted herself to resulted in nothing but failure.

It’sveryhot,butquitewettoday.—_______.[ ]

The man in a black suit _______ be our youth worker.—It _______ be him. I saw him in the classroom building some minutes ago.

Mary often _______ her friends ______ her life in China.

I could swim when I was seven years old. — . [ ]