1.--can you help me fix it?
---I'm not sure ,I ( )go to the concert instead
A.finished B.will finish C.have finished D.am finishing
2.There are several best sellers in the local library,but ( )are attractive to children
A.none B.both C.neither D.all
3.Karl enjoyed himself very much ( )he visited his relatives in Paris last summer
A that B.when C.which D.where