At that time, the calculator was a great ______ / ɪn'venʃn/.
---_____________ is your pen pal from? ---He is from Australia.
---Can you dance or sing? --- _____________. So I want to join the music club.
---Who is that woman over there? ---___________ is my English teacher.
Many young people play ___________ soccer in their free time.
We have a big dinner with our family and ___________ / ’rel?tivz /on the Spring Festival.