Question

Read the following and choose the suitable verb in its appropriate form from the given options:
Mike is looking for his key. He can’t find it.
He / ________ / his keys.
(a)He is improving his key.
(b)He has lost his key.
(c)He has broken his key.
(d)He is growing his key.

Answer 1

Hint: A verb, from the Latin verbum meaning word, is a word that in syntax conveys an action, an occurrence, or a state of being.

Complete answer:
 In the usual description of English, the basic form, with or without the particle to, is the infinitive. In many languages, verbs are inflected to encode tense, aspect, mood, and voice. In the given question, we have to fill in the given blank with the suitable verb and its form, from among the four given options.
Now, let us examine all the given options to find out the correct answer :
(a) Is improving. It is an adjective that means giving moral or intellectual benefit. For example He is improving his skills on his own.
(b) Has lost. It is a verb and the past tense of lose. It means – unable to find one's way; unable to know one's whereabouts. For example: Help! We’re lost.
(c)Has broken. It is a verb and a past tense of break. It means something being broken. For example, He had a broken arm.
(d)Is growing. It is an adjective that means undergoing natural development by increasing its size or changing physically. For example, The children are growing. Hence, option ‘b' is the correct option.

Note:
 All other options are plausible distractions. Pay attention to the tense form used in the given sentence. The given sentence is in the present perfect tense.