1 . In one of the letters, Father Christmas complained about _________ he could not stop his helpers playing games with the toys instead of wrapping them up.

A．which

B．who

C．what

D．how

2 . ________ you should do is to get down to your study from now on. Please concentrate on ________ is of great importance to your future development.

A．What; what	B．That; where
C．What; where	D．That; that