I. LISTEN: Listen to the CD and fill in the gaps in the summary of Alexander Graham Bell’s story below. - Alexander Graham Bell was born on (1) …………….. - He worked with (2) …………….. at Boston University. - Bell and Thomas Watson conducted many (3) …………….. - He successfully (4) …………….. his invention. II. PRONUNCIATION: Choose the word whose main stress pattern is not the same as that of the others. 5. A. directory B. telephone C. invention D. experiment Choose the word whose underlined part is pronounced differently from that of the others. 6. A. cupboard B. cushion C. drug D. lucky