26. Tom usually takes a ____ in bus on rainy days.
27. We have no ____ about where she has gone.
28. Food and ____ are daily necessities for the people.
29. My ____ of hearing is not so good as it used to be.
30. The ____ caused by carelessness ____ yesterday. Many workers were killed.
A. incident, was happened
B. matter, happened
C. event, was taken place
D. accident, took place