Good food, good sleep, no exercise. That's ________ he gained weight.
A．how B．when
C．what D．whether
It gives his life a flying start ________ he has gone abroad for further education.
A．what B．when
C．that D．how
The Super Girl Wang Bei's death highlights the fact ________ cosmetic surgery has become one of China's biggest beauty secrets.
A．that B．where
C．what D．which
It seemed to me that she was in doubt ________ Timmy lived or died.
A．why B．how
C．that D．whether
—________ you write so well?
—By reading and keeping diaries every day.
A．How is it that B．Is it how that
C．How it is that D．What is it that
It is a teacher's responsibility always to hope, ________ with learning, a boy's character might be changed.
A．when B．what
C．that D．which
