EX1 :
1. am still using-doesn't matter 2. tastes
3. is ....stopping 4. hasn't found
5. have .....been waiting - look 6. seldom sits
7.am lying 8. are
9. haven't been 10. Are... looking
11. doesn't fit
$12.$ haven't decided - am thinking
$13.$ has been digging- hasn't found
$14.$ visits- always argue
$15.$ starts
$16.$ have she eddiited