21. One meter is approximately equal _____ a yard.
A. about
B. on
C. to
D. with
22. Jane doesn't spend much money _____ clothes.
A. over
B. about
C. at
D. on
23. She always takes good care _____ her children.
A. for
B. in
C. of
D. with
24. William insists _____ getting up early, even on weekends.
A. on
B. to
C. toward
D. for
25. What does this symbol refer_____ ?
A. on
B. to
C. for
D. toward
26. The accident resulted _____ several minor injuries.
A. on
B. in
C. of
D. at
27. Congratulations _____ your success!
A. to
B. on
C. in
D. up
28. Mrs. Liz was accused _____ having stolen the car.
A. of
B. with
C. in
D. upon
29. We are here to provide you _____ the best service possible.
A. of
B. with
C. to
D. for
30. He has been absent _____ school very often lately.
A. from
B. on
C. in
D. with