It was at this shop _______ I bought my skirt. How about coming to my home to have a look tonight?
In recent days ,with the help of our teacher , I have made ___ great progress in _____mathematics.
Mrs. Green always helps her mother even though going to work _________most of her day.
We have to admit that the biggest___________ facing the ecosystem is limited resources and the worsening environment.
Your task will be to examine the___________ of constructing a new factory in the United Kingdom.
His friends were ___________and encouraged him to publish his ideas, but Copernicus was cautious.