补充词,使句意完整!

问题描述:

补充词,使句意完整!
1."What are you going to do tomorrow?" "Nothing ______"
2.why ______ meet a little earlier?
3.he has the a_____ of a steady job
4.god c____ the world
5.E-books first a_____ in the 1990s and have made great improvements in teachnology
6.with the rapid p____ of electronic technology,the e-book will become more conveniet and cheaper
7.will books be r_____ by computer one day?

1、serious
2、don't
3、ability
4、create
5、appear
6、progress
7、replaced