31. What did you make _____ the lecture?
a. About
b. On
c. Of
d. In
32. Unfortunately, we had to cancel it owing ______ the bad weather.
a. To
b. Of
c. In
d. About
33. Romana will be there ______ you.
a. About
b. For
c. Of
d. To
34. The trouble _______ him is that he never knows when to keep quiet.
a. About
b. In
c. With
d. Of
35. Shall I ask ____ the bill?
a. For
b. About
c. In
d. With
36. Everybody blamed him ____ the accident.
a. For
b. In
c. About
d. Of
37. Congratulations ______ your engagement.
a. About
b. For
c. On
d. In
38. Maria is sick ____ her job.
a. In
b. Of
c. At
d. From
39. Mission is ____ United Nations control.
a. About
b. Under
c. Of
d. In
40. Ali needs it by Friday ____ the latest.
a. About
b. At
c. Of
d. In