1005. _____ makes this shop different is that it offers more personal services.
A.What
B.Who
C.Whatever
D.Whoever
1006.What did your parents think about your decision?
They always let me do _____ I think I should.
A.when
B.that
C.how
D.what
1005.答案是A；what引导主语从句，并作从句的主语，what = the thing that。
1006.答案是D；what在宾语从句中作主语、宾语或表语。此题中作I should do 的宾语。
