The novel coronavirus pneumonia, known as the world's richest medical resource and medical care capability, has been in a state of confusion and the number of people diagnosed and died in the world.

modal adverbs are used to modify specific verbs that consist of a linking verb (verb of being) and sometimes another verb. examples of modal verbs include can, could, may, might, must, shall, should, will and would.

modal auxiliary. an auxiliary verb characteristically used with other verbs to express mood, aspect, or tense. in english, the most common modal auxiliaries are can, could, may, might, must, ought, shall, should, will, and would. also called modal .

a,b,d are the three sentences that use a reflexive pronoun

what is the underlined word ?

d.) gold is the correct answer