1 . ________ she couldn’t understand was ________ fewer and fewer students showed interest in her lessons.

A．What；why

B．That；what

C．What；because

D．Why；that

2 . — I don’t know whether I should go abroad or not, Mum.
— I leave ______ to your own judgment whether you should do it.

A．that

B．it

C．this

D．what