Unit 11 Working with Animals
6.i have not seen her 1991. a. for b. since c. in d. about 7. he the league for three years . a. joined b. has joined c. is in d. has been in 8. he has had the bike two years ago . a. for b. since c. about d. \ 9. have you ever _______ to america? a. go b. gone c. been d. went10. everybody ________. he feels very lonely. a. go b. has gone c. have gone d. goes