The first telephone was in …………… use (commerce) * Bell and his………….. Thomas Watson, conducted many experiments. (assist) * Sunshine …………….is the place where she grew up. She never sees her parents. (orphan) * Đây là một câu hỏi bắt buộc It is ……………. important to follow the directions exactly. (extreme) * His efforts to get a job became…………., so he was sad. (success) * She is rather ……………… in the public. (reserve) * It really …………… me when people forget to say thank you. (annoyance) * We have two postal ………………………… each day. (deliver ) * ……………………………, the new wife was very cruel to Little Pea. (fortunate) Their………………………….…..lasts over 15 years. (friend) * giúp mik vớiii