1.It remains unknown ________ the peace talk between the two countries is going to lead.

A£®where    B£®when      C£®how     D£®why

2.It is ________ the pupils do in their spare time ________ really prepares them to take their place in society as citizens when they grow up.

A. which; that    B. that; what    C. what; that     D. that; which