The course about Chinese food attracts over 100 students per year, _______ up to half are from overseas.
He told the boys________________.
—Do remember to take this medicine three times a day with warm boiled water. —_____.
Internet shopping will really _____ when people believe that it is safe.
Some students found _____ hard to study English well .
I hear a number of workers in the factory _____ out of work and the number of them ______ quite large .