Whenever I go to Beijing, ____ is quite frequent, I will go to visit the Great Wall.

She is often langhed at _____ her classmates because of her laziness. [ ]

Many social workers went to Ya’an to help clean water and food to local people to reduce their pain from the earthquake.

It is reported that people throw_____ plastic bags along this street every day.

The food smells _____. I don’t like it.