Rewrite the sentence by the given words

1 she felt very sleepy, so she went to bed early ( therefore )
-> she
2 we came to the party; however, the guests had gone home ( but )
->
3 Nga likes to travel around the city by bike ( crazy )
->
4 Tom enjoys reading detective novels ( keen )
->
5 Those students fancy doing shopping ( fond )
->
6 Their children love to dance in their leisure time ( into )
->
7 he isn't interested in flying kites ( prefer )
->
8 Richard would like to participate in the sports club, but he can't arrange his time for it ( however )
->