If their marketing plans are changed, theirs sales by 10 percent.

Frederick William I, the King of Prussia, _____ that his greatest gift to the Russian people would have _____. [ ]

I rang you at about ten, but there was no reply.— Oh, that was probably ____ I was seeing the doctor

My sister has two skirts. One is yellow，and____________ is black.

91. Don’t count your _____ before they arehatched.