All the students in my class can’t ______ the math problem. It’s too difficult for us.A. work on B. work out C. work for
What time __________ your mother get up every morning?
Lucy, __________ her mother, __________ apples very much.
—Kate, your watch is very nice. —__________
—It’s raining. Do you have an umbrella? —No, but Lucy has __________.
Every day, students bring their schoolbags __________ school.