Can you imagine what life would be (26)_______ if there no telephone?

Câu hỏi :

Read the text and choose the best option A, B, or C to fill in the blanks

Can you imagine what life would be (26)_______ if there no telephone? You could not call up your friends on the phone and talk to them. If a fire broke out in your house you could not call the fire department. If someone were sick, you could not call a doctor.

(27)___________ our daily life we need to communicate with one another. We do this mostly by speaking to other people and listening to (28)__________ they have to say to us, and when we are close to them we can do this very easily. However, our voices will not travel very far even when we shout.

The man who (29)__________________ this possible was Alexander Graham Bell, a Scotsman, was born in Edinburgh in 1847. Bell, a teacher of visible speech who later moved to Cananda, spent all his spare time experimenting. He was (30)______ enthusiastic in his research that he spent much time on his day-to-day work and at one time was almost penniless.