21. He fell in the river but his friend saved him _______ drowning.
A. from B. with C. on D. at
22. Richard succeeded _______ offending just about everybody in the room!
A. with B. at C. in D. to
23. My brother always delights _______ telling me when I make a mistake.
A. with B. in C. on D. to
24. This is something I am really serious _______ and want to take it all the way through.
A. with B. at C. on D. about
25. Whooping cough is most dangerous _______ infants.
A. with B. in C. for D. to
26. Is merely being present _______ the convention sufficient?
A. with B. at C. on D. to
27. We need to find a compromise that is agreeable _______ both sides of the party.
A. with B. at C. on D. to
28. Many students are worried _______ the coming exam.
A. about B. on C. from D. to
29. She ought to be thoroughly ashamed _______ herself - talking to her mother like that!
A. with B. at C. on D. of
30. Motor vehicles are prohibited _______ driving in the town centre.
A. from B. for C. to D. at