Question

His spectacles .... broken. (is, are).

There ..... a high hurdle to jump. (is, are)
Half of the money .... mine. (was, were) ​

Answer 1

hi !

His spectacles are broken. (is, are). subject is plural noun "spectacles)

There is a high hurdle to jump. (is, are) there is + singular noun

Half of the money was mine. (was, were) money is an uncountable name = singular

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hope this helps :)