These days the government has issued several economic policies that will________prosperity ofmanufacturing industry.[ ]

We didn’t go home _____ we finished the work

21．This book is said to be a special one, which____many events not found on other history books.

Be patient with your students ______ it takes time for them to adjust to their new way of school life

It was at this shop ______ I bought my skirt. How about coming to my home to have a look tonight?