—Do you know Neil Armstrong?—Yes. He is the first man on the moon.A. to walk B. walks C. walked
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.
Some children ______ pictures when the teacher came into the classroom.