----Look,Mr.Hu is on the other side of the street. ----It____ be him.He has gone to Lanzhou.
— My daughter is a volunteer and often helps the disabled. — ______ . They’re really something.
— How about the debate held in your class ? —____.
Although ____ many times, she still made the same mistake.
To my ____, Jane dressed herself like a monkey to attend the wedding party.
____to caring for an Ebola(埃博拉) patient, the nurse found herself also infected, feeling hopeless.