MrLi is absent todayWhat do you consider ________ to him?

Chinese handwriting is an important part of our culture, so young people are required to _____ handwriting.

In those days our primary ______ was to provide peoplewho were trapped in the snowstorm with food and healthcare.

xposed tostress, in ________ form, all of us react both chemically and physically

It seems that living green is ______easy and affordable A small step masks a big difference