Hummingbirds are the only birds —– flying backward as well as forward, up, and down.
Able
Able to
Capable for
Capable of
Explanation:
Correct Answer is: Capable of

Able
Able to
Capable for
Capable of
Correct Answer is: Capable of

what next?Here ` next` is a/an- Option A: Adverb , Option B: Preposition , Option C: Noun, Option D: Adjective, correct answer is: Adverb
He is not available for the next match. The underlined word is- Option A: an adjective , Option B: an adverb , Option C: a noun, Option D: a verb, correct answer is: an adjective
Read the sentences and fill in the blank.Obviously,objectives occasionally _______ be modified or changed Option A: have to , Option B: must to , Option C: shouldn\'t, Option D: ought, correct answer is: have to
The noun of ` predict` is -- Option A: Predictable , Option B: Predicting , Option C: Prediction, Option D: Predicted, correct answer is: Prediction
The discovery of penicillin was a ______ event. Option A: sensible , Option B: sensational , Option C: senile, Option D: sensitive, correct answer is: sensational