Today the forests have almost gone. People must _______ down too many trees.
What _____ good time we had________ a picnic yesterday!
—How did you find your visit to Qingdao, Joanna? — _________.
Ella improved her way of study. _________, she has made great progress.
_______theteachersintheschoolisonehundred,and______ofthemarewomenteachers.
They were ________ busy ________ with each other ________ the time.