Some mushrooms are ____.
A. poison
B. poisoning
C. poisonous
D. sweet
The two students rivaled each other for the ____.
A. girlfriend
B. school
C. scholarship
D. scholar
His failure was ____ carelessness.
A. due to
B. in
C. of
D. to
To our satisfaction, he got the first prize in the English speaking ____.
A. competition
B. test
C. talk
D. compete