Ex. Combine each of the following pairs of sentences into one sentence, using the word（）

["The girl who was
injured in the accident is now in hospital．","Gerry works for a
company that/which makes typewriters．","I recently went
back to the town where I was born．","The man whom I
wanted to see was away on holiday．","The reason why I
didn’t write to you was that I didn’t
know your address．","The other day I met
a man whose brother I went to school with．","The place where we
spent our holidays last year was really beautiful．","We mourned, both
for the laundry and for the old woman who had grown close to us through the
years she had served us so faithfully．","Mr． Carter, whom I
spoke to on the phone last night, is very interested in our plan．","Yesterday we
visited the City Museum, which I’d never been to before．"]