Would you mind giving me a hand. I’m busy _______ the supper.
Who teaches ___ English?No one. I teach _____.
____ mothers can’t go to the meeting, because they have gone to Beijing.
It’s an important decision for you, so______ your time and think it over.
The song made my father ________his childhood.
My uncle ________ a worker, but now he _______in an office.