Open the brackets and write the verbs in the correct form.
By October 1874, Bell's research (1)
(to progress) to
the extent that he could inform his future father-in-law, Boston storney, telegraph. Hubbard instantly (3) the possibility of a multiple telegraph. Hubbard instantly (2) potential for breaking such a monopoly and (3)
(to see the
Bell the financial backing he needed. Bell (4)
(to give)
(to proceed)
with his work on the multiple telegraph, but he (5)
(not to
a Hubbard that he and Thomas Watson were also exploring an idea of developing a device that would transmit speech
electrically.
Answers & Comments
By October 1874, Bell's research (1) was progressing to the extent that he could inform his future father-in-law, Boston attorney, telegraph. Hubbard instantly (2) saw the potential for breaking such a monopoly and (3) gave Bell the financial backing he needed. Bell (4) proceeded with his work on the multiple telegraph, but he (5) did not tell Hubbard that he and Thomas Watson were also exploring an idea of developing a device that would transmit speech electrically.