S2. What does the author suggest teachers should do but they-haven’t done

A．Help Laura with her paper next week.
B．Ask Laura to clean the apartment by herself.
C．Ask someone else to clean the apartment with Laura.
D．Ask Laura to suspend the cleaning for a week.

A．To interest the public in shapes and colors.
B．To create something difficult for us to understand.
C．To express something new to us.
D．To make show of his unusual abilities.