The weather was ____ for a barbecue outside.
A. favor
B. favorably
C. favorite
D. favorable
He was very glad after winning the ____.
A. compete
B. competing
C. competition
D. competitive
Some mushroom are ____.
A. poisonous
B. poison
C. poisoned
D. poisoning
Card indexes in a library are ____ to readers.
A. benefit
B. benefits
C. beneficial
D. beneath