— I went to your house yesterday afternoon, but you were not in.— Sorry. I _______ basketball with my classmates.
—_______does he go shopping? — Twice a week.A. How often B. How C. How long
There will be _____ jobs for people in the future, because more robots will do the same jobs as people.A. many B. less C. fewer
Why not ______ the old women? They need us.
Sarah always makes her son _______ his hands before eating.
Granny often asked us _______ water in our daily life.