(b) Fill in the blanks with suitable words
given in brackets :
(1) I'm sorry I ....... (couldn't, wouldn't)
attend your party yesterday.
(ii) If I had gone to Mumbai I ...... (would,
would have) brought your books.
(iii) Neither of us ........ (were, was) happy
to see the concert.
(iv) One of my friends ........ (are, is)
working in Singapore.
(v) I have been living in Delhi....... (from,
since) 2010.​