21. Miss Xu made an error and mixed up my results with ________.
A. someone’s B. someone else C. someone else’s D. someone’s else
22. He ______ home once a week, but after entering middle school, he _____ home once a week.
A was used to go, was used to go B. used to go, was used to go
C. was used to go, used to go D. used to go, was used to going
23. We meet on the last Friday of every month to talk about poems and poets _____ we like.
A which B that C who D whom
24. Eric runs in after it, ______ a big dog, ______ very slowly.
A. following, walked B. followed, walked
C. followed by, walking D. following by, walking
25. The money _______ you were to buy dog food is gone.
A with which B which C for which D from which
