6.\x05He likes to swim _______.
A.and to play football B.and playing football
C.but play football D.and he also likes playing football
7.\x05Do you know ________ in English?
A.how say it\x05 \x05B.how to say it
C.how saying it\x05 D.how to saying it\x05\x05
8.\x05I don't know _______ to deal with such matter.
A.what B.how C.which D./
9.\x05There isn't any difference between the two.I really don't know _____.
A.where to choose\x05\x05B.which to choose
C.to choose what\x05\x05D.to choose which
10.\x05As the busiest woman there,she made ______ her duty to look after all the other people’s affairs in that town.
A.this\x05 B.that\x05C.one\x05 D.it