Concept:Identify the word whose vowel sound matches the underlined vowel sound in "here".Explanation:The word "here" is pronounced /hɪə/ in standard British English.Its vowel sound is the diphthong /ɪə/, where the tongue glides from /ɪ/ to /ə/.Now examine each option."Chair" is pronounced /tʃeə/ and has the vowel sound /eə/."Care" is pronounced /keə/ and also contains /eə/."Pair" is pronounced /peə/ and has the vowel sound /eə/ as well.Only "weird" is pronounced /wɪəd/.It contains the same vowel sound /ɪə/ as "here".Thus, "weird" has the exact vowel sound that matches the underlined part in "here".Answer:B. weird