In our daily life, we should help our mothers ______housework.A. to B. for C with D. on
We ate rice and chicken yesterday and we ate noodles ________.
Before an exam, I always ________ my notebook.
He wants to be a doctor when he ________.
—Who ________ for the match? —Sam and Ben.
People in the world know Confucius ______ a great thinker and educator.